science

Most popular questions
  1. Science

    A dog is trained to sit and shake hands. These traits are most likely A. Inherited B. Not inheited C. Not aquried D. Innate Is the answer B?

    asked by Anonymous on October 15, 2014
  2. Science

    1-Which of the following is not a function of the circulatory system? D-fights infection 2-Which of the following explains why the heart is organized so that it pumps blood to two different locations? D-to provide a way for blood to pick up nutrients at

    asked by Rodco on March 20, 2014
  3. science

    the current atomic model would be revised if 1)better microscopes were being used to study its structure. 2)better microscopes are invented in the future. 3)new information about an atoms structure is discovered.*** 4) a new element is discovered in the

    asked by alainaforysthe on October 9, 2017
  4. Science

    what the difference between the structures of simple and complex

    asked by Alex on September 8, 2013
  5. Science

    How does DNA determine a trait such as eye color? A. DNA codes for proteins that determine eye color. B. DNA code for mRNA that detemines eye color. C. DNA interacts with proteins to control eye color. D. DNA contains pigments which make up eye color. Is

    asked by Anonymous on October 8, 2014
  6. Science

    What do bone marrow and epidermis have in common. A.they are both sites of new cell information B.they both contain structures that assist the body in cooling down if overheating occurs. C.they both contain or are associated with sensory neorons D.they are

    asked by Anonymous on December 15, 2016
  7. Science

    1. How does groundwater cause erosion and deposition? a. When acidic water soaks into the ground, water dissolves limestone, resulting in the formation of caves. *** b. When a river overflows, it moves downhill, resulting in the formation of caves. c. When

    asked by Hannah on March 3, 2014
  8. Science

    Hormones and Homeostasis 1) The human endocrine system is made up of which of the following structures? :Vessels. :Receptors. :Glands.*** :Chambers. 2. Which of the following best describes the function of the endocrine system? :It secretes chemical

    asked by TheLOUDEST_0430 on February 27, 2015
  9. Science

    1) Which of the following is true about photosynthesis? A. It is an exothermic reaction B.It is a endothermic reaction ***** C.It produces carbon dioxide D. It occurs in animals 2) Atomic Theory is A.Subject to change if new information is discovered B.A

    asked by noname on November 11, 2015
  10. Science

    What would happen to an object if the force of gravity on earth was decreased by half A. It’s mass would decrease B. It’s weight would decrease**** C. It’s density would decrease D. It’s volume would decrease

    asked by A person on December 11, 2017
  11. science

    The modern atomic model includes electrons orbiting the nucleus. Which of the following parts of Dalton's atomic model was disproved by the discovery of the electron? - Atoms are tiny particles. - Atoms cannot be divided into smaller parts . - Atoms have

    asked by julia on September 23, 2015
  12. Science

    1. How Ian an areas topography determined? A. By using an areas longitude and latitude B. By using an areas scale C. By using an areas elevation, relief, and landforms * D. By using an areas elevation, longitude and latitude I really need to check my

    asked by Malie on May 19, 2017
  13. Science

    1. Which of the following is true about mixtures? (1 point) Mixtures consist of two or more substances chemically combined. Mixtures cannot be separated by physical means. Mixtures consist of only one kind of atom. ***Mixtures have two or more substances

    asked by TTR+S<3 on January 29, 2014
  14. Science

    1.) when might preserved remains of an entire organism form? A.) when sediment buries the hard part of an organism B.) when an event such as a quick burial or freezing preserves an entire organism ******* C.) when minerals replace parts of an organism D.)

    asked by Zach on February 29, 2016
  15. Science

    The geologic time scale originally ordered Earth's rocks by: A. absolute age B. relative age*** C. composition D. decades and centuries Where did scientists originally get their information to develop the geologic time scale? A. They collected and studied

    asked by Anonymous on November 12, 2015
  16. science

    check answers 1. A box of cleaning supplies weighs 15n.if the box is lifted a distance of 0.60m,how much work is done? A. 0.040 j B.9 j C.14 j (I PICK THIS) D.25 j 2.to chop wood you apply 50.0n of force to an ax. The ax applies 600.0n of force to the

    asked by Matt on January 16, 2014
  17. Science

    1.)Why is Earth’s temperature just right for life? (1 point) A.)Earth’s core is hot enough to heat Earth’s surface. B.)Earth’s magnetic field creates suitable temperatures on Earth’s surface. C.)Earth’s crust is warmed by heat from the sun.

    asked by YRN DJ on December 7, 2015
  18. science

    Which of the following is true about the electric charges on the objects below?

    asked by HEY:)) on April 20, 2017
  19. science

    1.   Which statement is true about the following molecule?  (1 point)The molecule is composed of four atoms.The molecule contains oxygen atoms.The molecule is water.The molecule represents an element. 2.   A(n) _____________ is made up of two or more

    asked by cIATA on February 27, 2014
  20. Science

    1. granite lasts a long time when it is used for building in areas where

    asked by Help12 on March 3, 2017
  21. Science

    Can someone please check my answers and if they are wrong can you help me fix them? Thank so much!! 1. Which of the following determines the strength of the force of gravity between two objects? Check all that apply. (2 points) the speeds of the objects

    asked by Melissa on January 24, 2014
  22. science

    1) What conclusions can be drawn about the relationship between the arrangement of elements on the periodic table and the patterns observed in their properties? :Properties of elements are related to atomic numbers.*** :Properties of elements are related

    asked by Oscar on March 9, 2015
  23. Science

    A student mixed two clear liquids together in a beaker and a solid precipitate formed. His data is shown in the table below. Liquid reactant A = 10 g Liquid reactant B = 17 g Beaker + solid product= 32 g What is the mass of the beaker? A. 5 g B. 10 g C. 15

    asked by Callie on November 6, 2014
  24. Science

    Which of the following sets of terms could be used in a description of the peripheral nervous system? 1)motor neurons 2)brain and spinal cord 3)motor neurons 4)sensory neurons and spinal cord I think #1. Can you check? Thanks.

    asked by Jamie on December 6, 2017
  25. science

    What do the bone marrow and the epidermis have in commen

    asked by gabriella on April 4, 2017
  26. science

    A student mixed two clear liquids together in a beaker and a solid precipitate formed. His data is shown in the table below. Liquid reactant A = 10 g Liquid reactant B = 17 g Beaker + solid product= 32 g What is the mass of the beaker? A. 5 g B. 10 g C. 15

    asked by Oscar on March 30, 2015
  27. Science

    Which of the following sets of words can be used to describe the outputs of photosynthesis? water, glucose, light energy carbon dioxide, glucose, chemical energy oxygen, glucose, chemical energy glucose, oxygen, light energy Which of the following is true

    asked by Anonymous on February 6, 2014
  28. Science

    Name the components of the respiratory system in the order incoming air would encounter then during breathing.

    asked by Anonymous on October 29, 2015
  29. Science

    Your are studying an evergreen tree that produces cones. The tree is an? -Angiosperm -Gymnosperm -Gametophyte -Monocot

    asked by Red- Please Help! on April 10, 2014
  30. Science

    1) Which of the following is a chemical change? (1 point) Boiling of water Melting a cube of ice Dissolving 10 grams of salt in water Splitting water into hydrogen and oxygen*** 2) What is the mass of water that results from combining 2.0g of hydrogen with

    asked by Skylar on January 28, 2015
  31. Science

    Studies conducted in England during the Industrial Revolution have shown that children born to poor families were, on average, shorter than those born to wealthier parents. The most likely explanation for this difference in height is a difference in

    asked by Anonymous on March 24, 2017
  32. Science

    How do microorganisms affect the quality of soil? A. By breaking down the remains of dead organisms B. By creating tunnels C. By absorbing water D. By increasing mechanical weathering

    asked by brookieluvs on November 9, 2015
  33. science

    Which combination of sex chromosomes results in a male human being? 1 XX 2 YY 3 XY 4 either XX or YY is it a?

    asked by Devyn on October 31, 2017
  34. Science

    1.   Which of the following is an example of matter?  (1 point) leaves shadows light from the sun sound 2.   Which of the following is an example of a chemical property of matter?  (1 point) ability to melt ability to freeze ability to react

    asked by Jenna on February 26, 2014
  35. Science

    Which of the following explains why a bone in a bird’s wing is homologous to a bone in a lizard’s front leg? a.The bones in the two species provide for the same type of motion. b.The bones in the two species are both vestigial structures. c.The two

    asked by Anonymous on November 10, 2013
  36. Science

    Which of the following is true about the magnetic field diagram below. Its shows 3 Arrows on top pointing to B A B 3 Arrows on bottom pointing to B A A is the south pole and B is the north pole B A is the north pole and B is the south pole C A and B are

    asked by BUBBLES on February 19, 2015
  37. science

    1. The skeletal system is created to ____________ internal organs. A) protect

    asked by Anonymous on January 6, 2016
  38. Science

    Which of the following best explains why it is necessary for the body to eliminate waste?

    asked by Caitie Cat on October 17, 2014
  39. Science

    #1. Kilometers per hour describes the speed of an object. ture false **** #2. Which of the following reference points would allow you to observe the speed of a car that you are traveling in? a) an airplane flying across the sky b) a car traveling next to

    asked by Mindy on February 27, 2014
  40. science

    1.)a basketball momentarily changes shapes as it bounces off the floor. this is due to balanced forces acting on the ball. True (answer) false 2.) a ball slowing down as it roles across the carpet is an example of what ? (1 point) a.)balanced force

    asked by Hannah Marie on October 8, 2014
  41. Science

    1. White skin (W) is dominant over yellow skin (w) in chickens. Which of the following genotypes would result in a white-skinned chicken that could possibly have yellow-skinned offspring? A. WW B. Ww** C. ww 2. Which of the following describes the genotype

    asked by Mimmi on October 7, 2015
  42. Science

    1. Over time, a particular plant has developed a longer stamen. Which of the following is a possible advantage of having a longer stamen? A. A longer stamen could ensure that an insect brushes against an another and picks up pollen. B. A longer stamen

    asked by Help with science please on January 14, 2014
  43. science

    1) a pea plant with yellow seeds is crossed with a pea plant with green seeds. all of the offsprings have yellow seeds. the allele for yellow sees is a. Dominate because all offspring have yellow seeds. b. Recessive because all of the offsprings have

    asked by dani on October 21, 2014
  44. Science

    1. The streams and smaller rivers that feed into a main river are its A. watersheds B. tributaries** C. divides D. reservoirs 2. How are seamounts like the Rockies? A. Both are forms of mountains** B. Both are made of the same kind of rock C. Both are

    asked by McKayla on March 9, 2016
  45. Science

    How do layers B and D compare in age? If rock layers between B and D have eroded away, what is the boundary between B and D called? My answer: Layer D is older than layer B. If rock layers between B and D have eroded away, the boundary between B and D are

    asked by rAnDoM on October 29, 2015
  46. Science

    The Periodic Table 1) What conclusions can be drawn about the relationship between the arrangement of elements on the periodic table and the patterns observed in their properties? :Properties of elements are related to atomic numbers.*** :Properties of

    asked by TheLOUDEST_0430 on March 9, 2015
  47. science

    1. How is the equator similar to the prime meridian? (1 point) Both the equator and prime meridian are lines that divide Earth into the Northern and Southern hemispheres. Both the equator and the prime meridian are imaginary base lines from which locations

    asked by TTR+S<3 on May 15, 2014
  48. science

    An advantage of using an electromagnet, shown on the crane in the image below, instead of a regular magnet to move cars in a junkyard is that an electromagnet can easily be turned on and off.

    asked by new moon on May 2, 2018
  49. science

    calculate the amount of hydrogen gas involved if ferrous + 2hcl = ferrous choloride + h2 if 55 gramme iron is reacting with 36.5 hydrochloric acid .

    asked by sajid on May 24, 2013
  50. Science

    1.)The sporophyte generation produces spores that grow into a A.)Gametophyte B.)Gymnosperm C.)Angiosperm D.)Pupa 2.)Placental mammals develop A.)In leg an egg laid in water B.)In a pouch on the mother's body C.)Inside the mother's body D.)Inside an

    asked by Douglas on October 6, 2015
  51. science

    Which of the following would be true for the charged particles below ?

    asked by kayli on October 15, 2015
  52. science

    Both carbon dioxide and water are pure substances. How are they similar to each other? A. both substances have a set ratio of atoms that cannot be separated by physical means B. both substances have a set ratio of atoms that can be separated by physical

    asked by john on October 8, 2015
  53. Science

    What does the notation TT mean to geneticists? A. Two dominant alleles B. Heterozygous C. At least one dominant allele D. One dominant and one recessive allele Is the answer A?

    asked by Anonymous on October 10, 2014
  54. science

    1. The image above shows the Andes Mountains. Which of the following processes formed this feature? (1 point) (pic of Andes Mountains) Glaciers deposited sediment. Plates converged together to form the mountains. Plates pulled apart and released magma.

    asked by TTR+S<3 on April 24, 2014
  55. Science

    What could the relative age of two rocks tell you about them? a. One rock is 10,000 years old, and the other is 8,000 years old. b. One rock is older than the other. c. They both have fossils in them. d. One rock is closer to the surface than the other.

    asked by Anonymous on October 8, 2013
  56. Science

    The diver has the least gravitational potential energy at position A-1 B-2 C-3 D-4

    asked by Anonymous on February 14, 2018
  57. Science

    Name two types of evidence used to support the theory of evolution. Explain how scientists use each type of evidence to provide support for evolution. Give one example of each. I need 6 sentences please help I still need to finish other classes and I only

    asked by help!! on May 29, 2018
  58. science

    which of earths spheres contains most of is mass ? a) atmosphere b) hydrosphere c) geosphere d) biosphere

    asked by victoria on November 10, 2013
  59. Science

    Which of the following electromagnetic waves is not used for communication?

    asked by Claire on November 23, 2014
  60. science

    which of the following boxes below represent a stable system and describe how a disturbance to this box would affect it and use the terms center of mass and equilibrium in your response.

    asked by looloo on December 10, 2015
  61. science

    Tow masses are moving down a slope. One mass is traveling twice as fast as the other mass. How does the kinetic energy of one mass compare to the other?

    asked by james on December 13, 2015
  62. Science

    1.)Ovaries contain A.)Sperms & produce estrogen B.) Sperms & produce testosterone C.)Eggs & produce estrogen D.)Eggs & produce testosterone 2.)The testes produce A.)Sperm & estrogen B.)Sperm & testosterone C.)Eggs & estrogen D.)Eggs & testosterone 3.)After

    asked by Douglas on October 7, 2015
  63. science

    Enzymes are important because they A. contain water. B. speed up chemical reactions. C. contain genetic material. D. help the cell maintain its shape.

    asked by I NEED HELP FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! on May 23, 2014
  64. Science

    Ms. Sue please help. 8. Which would best reduce the amount of energy needed to pull a wagon up a ramp? (1 point) increasing the slope of the ramp reducing the friction between the wagon wheels reducing the length of the wagon handle increasing the friction

    asked by Austin on June 6, 2014
  65. Science

    Which of the following describes how matter moves between producers, consumers, and decomposers in an ecosystem? one-way flow from producers to consumers to decomposers one-way flow from decomposers to consumers to producer cyclic flow froms producers to

    asked by Anonymous on February 11, 2014
  66. SCIENCE

    Which of the following activities has a negative impact on biodiversity? a.)Regulating hunting b.)Establishing wildlife preserves c.)Buying a fuel-efficient car d.)Cutting down trees in rain forests to build more houses.

    asked by Anonymous on January 10, 2014
  67. science

    Running the dishwasher only when it is completely full is an example of? A. recycling resources B. using nonrenewable resources C. reusing resources D. reducing resource use

    asked by CIERRA on April 29, 2014
  68. science

    which kind of energy transformation occurs during skydiving. plz i need answer

    asked by need help now on March 26, 2018
  69. Science

    Processing Information 1. Which of the following sets of terms could be used in a description of the peripheral nervous system? :Motor neuron, interneuron, sensory neuron.*** :Brain, sensory neuron, myelin. :Interneuron, spinal cord, autonomic. :Somatic,

    asked by TheLOUDEST_0430 on February 26, 2015
  70. Science

    Which process of the carbon cycle is responsible for the release of carbon at the power plant, as shown by the arrow? A. combustion B. photosynthesis C. digestion D. decomposition @Ms.Sue can you check my answer I think the answer is A.

    asked by Ava on November 7, 2015
  71. science

    which of the following statements best describes the biosphere? a) it is a mixture of gases that contain dust particles b)it contains earths metal core c) it contains all of earths water d) it it the part of earth that contains living organisms is it d ?

    asked by victoria on October 30, 2013
  72. Science

    Place the following words into the illustration below : gametes, sporophyte, gametomphyte, and zygote. explain how the terms are related

    asked by Meme on December 7, 2016
  73. science

    Which kind of energy transformation occurs when a skater's board falls back to the ramp?

    asked by bob on May 13, 2016
  74. science

    which of the following is the best course of action when it comes to using natural resources

    asked by jose on November 7, 2013
  75. Science

    1.)Check My Answers, please? Which of the following planets is considered a rocky, or terrestrial, planet? A.)Venus **** B.)Neptune C.)Saturn D.)Uranus 2.)Which of the following statements about the beginning of the solar system is true? A.)The planets

    asked by YRN DJ on January 20, 2016
  76. Science

    1. The line on the graph below represents an object that is: A: Moving at a constant speed B: Increasing its speed C: Decreasing it's speed D: Not moving at all 2. To determine the acceleration of an object moving in a straight line, you must calculate the

    asked by Reeces on February 23, 2017
  77. science

    Which term refers to the diffusion of water through a membrane? A. osmosis B. engulfing C. active transport D. facilitated transport

    asked by I NEED HELP FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! on May 23, 2014
  78. Science

    What wave property is labeled X? a. Frequency b. amplitude c. wavelength d. wave speed Is it C? Thank you!

    asked by Jane Doe on March 10, 2016
  79. Science

    I'm kinda in a rush but take your time!Thx! 1.What was Henri Becquerel studying when he accidentally discovered radioactivity? A.photography B.properties of black light C.properties of X-rays D.solar energy 2.When Marie Curie isolated uranium from

    asked by I am awesome on January 6, 2015
  80. Science

    Enzymes are important because they A)Contain Water B)Speed up chemical reactions C)Contain genetic material D)Help the cell maintain its shape

    asked by Help Me Plz on October 17, 2017
  81. Science

    What conclusion can be drawn about the relationship between the arrangement of elements on the periodic table and the patterns observed in their priorities? A. Properties of elements are related to atomic numbers. B. Properties of elements are related to

    asked by blue on October 17, 2014
  82. science

    Thermal energy is caused by motion of? 1. mixing water molecules contained in a beaker 2. molecules in soild liquid and gas phases 3. mixing molecules together 4. molecules that have reached equilibrium the density of an object with the volume of 60.0 mL

    asked by jj on May 2, 2016
  83. Science

    Suppose you found a fossil of a clam shell what can you conclude about the once-living organism and how it became a fossil?

    asked by HelpMePlease on October 14, 2015
  84. Science

    True / False: If a 40 kg person is accelerating at 10 m/s^2,then the magnitude of the force acting on him or her is 400 N. 1.How much force is needed to make a 60 kg object accelerate at a rate or 2.0 m/s ^2? 2.What is the acceleration of a 30 kg objedct

    asked by Makayla<3 on January 27, 2015
  85. science

    which energy transformation takes when a firecracker explodes. plz, help I don't want answers I want help plz.

    asked by Anonymous on March 16, 2018
  86. science

    1. The breaking down or disintegration of substances such as rocks and minerals by physical, chemical, or biological processes is called- A Erosion B Weathering*** C Climate D Deposition 2. When particles carried by water, ice, or wind are dropped in

    asked by boi on November 14, 2017
  87. Science

    1. What is the main difference between mechanical and electromagnetic waves? A. Mechanical waves involve transfer of energy, electromagnetic waves do not. B. Mechanical waves require a medium to travel in, electromagnetic waves do not.~~~~ C. Mechanical

    asked by Emma on March 14, 2017
  88. Science

    1. Kudzu, a nonnative species, was brought to Georgia for decorative purposes. It is a vine that grows quickly and covers anything in its path. It can also grow on trees and block the sunlight. How is kudzu an environmental issue for Georgia? Kudzu can

    asked by Madison on April 26, 2017
  89. science

    How does driving a car or using electricity lead to global warming?

    asked by Gabby on April 1, 2016
  90. science

    A construction worker is using his weight to keep a stationary stack of wooden beams from falling. If the construction worker uses 689.0 N of force to hold 10 beams stationary against a wall, how much work does he do? (1 point) 0 J 0.0150 J 68.9 J 6,890 J

    asked by Oscar on March 7, 2015
  91. Science

    The relative age of a rock is ? 1. its age based on how much carbon-14 it contains 2. its age compared with the ages of other rocks 3. less than the age of the fossils it contains 4. the number of years since it formed my answer is D

    asked by China one on September 30, 2015
  92. Science

    Human Body & Disease Practice 1) Which of the following effects would you expect if red blood cells were shaped like neurons? :They would not be able to move as easily through capillaries.*** :They would more easily carry out gas exchange in the alveoli.

    asked by TheLOUDEST_0430 on March 3, 2015
  93. Science

    I can’t put the diagram (picture) here so... I type down: Hope it help! left side there is an arrow pointing to the square, it measures 5 N (big) In the middle (between the arrows) there is a square Right side there is an arrow pointing to the square, it

    asked by Mindy on March 3, 2014
  94. Science

    14.If a forest ecosystem is removed through clear-cutting, many species of organisms that lived in that ecosystem disappear. Their loss is due to ________________________. 15.When fossil fuels are burned, they produce ________________, the main greenhouse

    asked by Peter on January 5, 2014
  95. Science

    Heat and pressure deep beneath the Earths surface can change any rock into A) chemical rock B) gemstone C) metamorphic rock D) sedimentary rock

    asked by Zack on February 15, 2017
  96. Science

    Why does the design of the vacuum flask minimize heat transfer by conduction? A)One flask is smaller than the other flask. B)One flask is more reflective than the other flask. C)There is no air between the two flask. D)The two flask do not touch each

    asked by I need help on January 5, 2016
  97. Science

    Which kind of pollution is illustrated by a pipe gushing polluted water into a river? A. Point source B. Nonpoint source C. Carbon source. D. Resource source

    asked by Ariel on January 28, 2015
  98. Science

    Which of the following shows fossils as evidence of continental drift? A. Limestone layers in the Appalachian Mountains of North America were exactly the same as the limestone in Scotland's highlands B. Mesosaursus, an ancient reptile, had been discovered

    asked by Tanner fox on March 17, 2016
  99. Science

    In which part of the plant would you expect to find cells with the most chloroplasts? A.leaves*** B.roots C.xylem D.cambium

    asked by Lyn on October 16, 2017
  100. Science

    Which of these is an example of a biomass fuel? 1) oil 2) natural gas 3) wood 4) coal I think #3

    asked by JAMIE on April 18, 2017