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July 30, 2014

Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

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Science
Identify the benefits that your space mission might provide for modern society. Explore the possibility of connecting your space mission with satellites that are already gathering information as they orbit Earth. I don't understand what does this mean?
Thursday, June 5, 2014 at 6:23pm

Science
Calculate the work done in each of the following situations. a) A horse pulls a wagon with a force of 1200 N and moves it 15 m. b) A cable lifts an elevator 16 m by using a cable with a tension force of 2500 N.
Thursday, June 5, 2014 at 6:17pm

science 1 question!!!
1. How are continental glaciers different from valley glaciers? (1 point) Valley glaciers can flow in all directions as they move, while continental glaciers move down slopes already cut by rivers. Continental glaciers flow in all directions as they move, while valley glaciers...
Thursday, June 5, 2014 at 5:50pm

science
When you do work to lift an object, what form of energy does the object gain
Thursday, June 5, 2014 at 5:42pm

Earth Science
Hello! I try to do my homework to the best of my ability. I want to make sure that my answers are correct. My answers will be (*). Please help me if you can.... 1. _______ was the first person to propose the idea of moving continents as a scientific hypothesis. A. Antonio ...
Thursday, June 5, 2014 at 12:43pm

science
find the mole fraction of sodium in 25% by massof sodium amalgum
Thursday, June 5, 2014 at 6:59am

science
An unsecured astronaut is floating in deep space. He switches on a hand held drill. The drill bit begins rotating clockwise with high angular velocity. Describe what happens to the astronaut- drill system and explain why.
Thursday, June 5, 2014 at 3:35am

science
UNSCRAMBLE RDOCRROUTINEDEVELOPMENT to make 2 words having to do with the reproductive system
Wednesday, June 4, 2014 at 11:38pm

Science
What are the personal, societal, and scientific implications of alpha-1 antitrypsin deficiency? I googled, but couldn't find any info on this????? please help!!!!!!!!!!1
Wednesday, June 4, 2014 at 11:19pm

physical science
The density of water is the greatest at a temperature of A. 0 Kelvin B. 277 Kelvin C. 273 Kelvin D. 4 Kelvin
Wednesday, June 4, 2014 at 10:35pm

computer programming
1. Scanf 5 names of you and your friends 2. Printf hi to all of them. 3. Ask all of them for their ages. 4. Printf the information in tables as shown below. Name age StudName1 19 StudName2 20 StudName3 18 StudName4 34 StudName5 12 5. Use selection statement to do the following...
Wednesday, June 4, 2014 at 9:31pm

Science
10. Metal cations are atoms that have a positive charge. What type of bond is a metal cation likely to form? (1 point) covalent bond double bond single bond ionic bond my answer is d
Wednesday, June 4, 2014 at 7:59pm

science
All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures that correspond to the ...
Wednesday, June 4, 2014 at 7:34pm

science
Function/ Human Structure/ Plant Structure 1. Gas exchange 1. lungs 1.Stoma 2. Circulation 2. Blood vessels 2.Xylem 3. Water intake 3. mouth 3.Roots 4. Energy intake 4. mouth 4.Chloroplasts 5. Internal support 5. skeleton 5.Stem 6. Energy Storage 1. Fat cells 1. Vacuole 7. ...
Wednesday, June 4, 2014 at 7:21pm

science
All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures that correspond to the ...
Wednesday, June 4, 2014 at 7:09pm

Science ecosystems
Paper Glass Aluminum Wooden ruler Sand Steak Pork chops Salad Bread Hair Cotton fabric Wool Cheddar cheese Can you tell why ? It is urgent ! Are they. Biotic or abiotic
Wednesday, June 4, 2014 at 7:01pm

Science ecosystems
Paper Glass Aluminum Wooden ruler Sand Steak Pork chops Salad Bread Hair Cotton fabric Wool Cheddar cheese Can you tell why ? It is urgent !
Wednesday, June 4, 2014 at 6:30pm

science
As part of their job, meteorologists use data to make weather predictions. How accurate are their predictions? What are other scenarios in which you would use data to make a prediction? How would you defend your prediction using data? can you please tell me in your perspective?
Wednesday, June 4, 2014 at 5:44pm

science
a cube has sides that are 3.0cm long. The mass of the cube is 54g. Calculate the density of the cube.
Wednesday, June 4, 2014 at 4:02pm

Science
Mrs. Sue please help! 1. Which is most likely to be part of an ionic bond? (1 point) an atom with no valence electrons an atom with one valence electron an atom with two valence electrons an atom with three valence electrons 2. To form an oxygen molecule (O2), two oxygen atoms...
Wednesday, June 4, 2014 at 3:51pm

science
suppose we have 10 liters of water in a 20 liter bucket and we submerge a one liter soda bottle with water. The buoyant force on a submerged one liter bottle is equal to?
Wednesday, June 4, 2014 at 1:40pm

science
An object is thrown up with a velocity 30m/s. If the acceleration due to gravity is 10m/s2. Cal. I) its velocity after 2s. II) the maximum height reaches. III) the time taken for the take object to come to rest.
Tuesday, June 3, 2014 at 6:39pm

Science
1. Which of those traits are inherited by a dog? J. barking to go outside K. a preference for certain dog food L. the color of its eyes M. walking on a leash 2. during which stage of its life is a moth most likely to damage clothes? J. egg k. larva l. pupa m. adult thanks!
Tuesday, June 3, 2014 at 2:46pm

Science Please Help Me
1.A weatherman reports, “The storm waves are about 2 meters high and about 35 meters apart.” What properties of waves is the reporter describing? (1 point) A.frequency and wavelength B.wavelength and wave speed C.amplitude and wavelength D.amplitude and frequency 2. ...
Tuesday, June 3, 2014 at 1:53pm

fixed question (science check plz)
A portion of the amino acid sequence of an enzyme from a worm is shown below. -Q-Q-Q-N-N-N-C-C Analyze the same portion of the same enzyme taken from several other organisms. Place them in order from most closely related to the worm most distantly related to the worm. -Q-R-Q-N...
Tuesday, June 3, 2014 at 1:46pm

science (help)
a portion of amino acid sequence of an enzyme froma worm is shown below -Q-Q-Q-N-N-N-C-C analyze the same portion of the same enzyme taken from several other organisms place them is order from most closely related to the worm to the most distantly related to the worm...
Tuesday, June 3, 2014 at 1:43pm

Science Plzz Help
12. Which of the following types of pathogens can only reproduce itself if it takes over host cells? A. fungi B. bacteria C. virus D. protozoa****
Tuesday, June 3, 2014 at 1:17pm

science (check!)
Which experimental approach would be most effective and easiest to clearly determine the evolutionary relationship between the starfish and green snake? a. sequence the same gene in both species to compare their similarity. b. dissect specimens of both species to look for ...
Tuesday, June 3, 2014 at 12:35pm

Science Please Check My Answers For Me
1. What do bone marrow and the epidermis have in common? A. They are both sites of new cell formation.**** B. They both contain structures that assist the body in cooling down if overheating occurs. C. They both contain or are associated with sensory neurons. D. They are both ...
Tuesday, June 3, 2014 at 12:16pm

PLEASE HELP CHECK ANSWER SCIENCE
5. Which of the following body systems does not rely on the autonomic nervous system to stimulate involuntary events? A. skeletal system B. digestive system C. circulatory system D. respiratory system My Answer skeletal systems
Monday, June 2, 2014 at 11:40pm

Intro to computer
you want ghost your network's computers with a fresh desktop that features Windows 8, as your computer currently using windows 7. You will use Norton Ghost to do this. What source will Norton Ghost utilize to install Windows A. The ISO installation file downloaded from the...
Monday, June 2, 2014 at 10:49pm

Science Plzz Help
1. Which of the following effects would you expect if red blood cells were shaped like neurons? A. They would not be able to move as easily through capillaries.***** B. They would more easily carry out gas exchange in the alveoli. C. They would not need to be transported ...
Monday, June 2, 2014 at 7:21pm

science
All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures that correspond to the ...
Monday, June 2, 2014 at 6:16pm

science
can someone help me with this question from your perspective? I just need an example of how to write a similar question. Earth’s energy sources include both renewable and nonrenewable resources. Name at least three sources of energy that could be used in your house. Then ...
Monday, June 2, 2014 at 5:57pm

science
All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures that correspond to the ...
Monday, June 2, 2014 at 5:08pm

Science Plzz Help
. Which of the following is true about diabetes? A. The pancreas overproduces glucose, and so insulin must be injected to reduce glucose levels. B. The pancreas underproduces glucose, and so insulin must be injected to increase glucose levels. C. The pancreas overproduces ...
Monday, June 2, 2014 at 4:01pm

science
All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures that correspond to the ...
Monday, June 2, 2014 at 3:36pm

science
All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures that correspond to the ...
Monday, June 2, 2014 at 3:04pm

science
I have a question on homework. please help Sea otters are part of a giant kelp ecosystem. They feed on sea urchins that feed on kelp. How does hunting sea otters affect the population of sea urchins and kelp in the ecosystem?
Monday, June 2, 2014 at 2:56pm

Science Plzz Help
5. How do the circulatory system and the endocrine system interact in helping to maintain homeostasis in humans? A. The endocrine system produces hormones that are transported by the circulatory system to target cells when changes are needed. B. The circulatory system provides...
Monday, June 2, 2014 at 2:46pm

Science Plzz Help
4. Which of the following is true about diabetes? A. The pancreas overproduces glucose, and so insulin must be injected to reduce glucose levels. B. The pancreas underproduces glucose, and so insulin must be injected to increase glucose levels. C. The pancreas overproduces ...
Monday, June 2, 2014 at 2:45pm

Science Plzz Help
2. Which of the following best describes the function of the endocrine system? A. It secretes chemical messengers that travel through the blood to signal changes at target cells. B. It binds chemical messengers that travel through the blood from target cells. C. It releases ...
Monday, June 2, 2014 at 2:28pm

Science Plzz Help
Which of the following lists the phases in the correct order with respect to their occurrence in human development? a – maturation of ovaries and testes b – loss of muscle tissue c – development of problem-solving skills d – learning to walk 1. c, b, d, a ...
Monday, June 2, 2014 at 2:25pm

science
All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures that correspond to the ...
Monday, June 2, 2014 at 10:19am

science
All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures that correspond to the ...
Monday, June 2, 2014 at 7:54am

science
Which female structure in a flowering plant traps pollen grains? a) pistil b) stigma c) ovary d) anther Answer A
Monday, June 2, 2014 at 7:53am

Science
how is energy produced during a nuclear fusion reaction?
Sunday, June 1, 2014 at 9:23pm

PLEASE HELP W/ COMPUTER SCIENCE?? JUST 1 PROBLEM?
Write a complete Main method that prints Hello, world to the screen. I have tried: MsgBox("Hello, World!") Console.WriteLine("Hello, world") MessageBox.Show("Hello, world") Almost every way that seems correct. Please help me.
Sunday, June 1, 2014 at 8:52pm

science
How would increasing the proportion of land (sand) to water affect the amount of water vapor released?
Sunday, June 1, 2014 at 7:53pm

SCIENCE
WHAT IS THE TRUE SHAPE OF HE MOON? ANSWER:ORBIT IS THAT CORRECT
Sunday, June 1, 2014 at 7:44pm

criminal
The federal CAN-SPAM Act, which took effect January 1, 2004, regulates sending what? A. viruses from one computer to another B. commercial electronic mail messages C. electronic mail to government computers D. electronic mail to minors
Sunday, June 1, 2014 at 7:05pm

Science Plzz Help
3. Which of the following correctly describes how nerve impulses move throughout the body? A. electrical transmission through neurons and electrical transmission between neurons B. chemical transmission through neurons and chemical transmission between neurons C. chemical ...
Sunday, June 1, 2014 at 6:35pm

Science
1. Which of the following sets of terms could be used in a description of the peripheral nervous system? A. motor neuron, interneuron, sensory neuron B. brain, sensory neuron, myelin C. interneuron, spinal cord, autonomic D. somatic, brain, spinal cord 2. Which of the ...
Sunday, June 1, 2014 at 6:16pm

Social Science
How to collect the following: sand, iron filings, salt, ethanol and water.
Sunday, June 1, 2014 at 3:22pm

History
Ms. Sue please help! 3. Read the passage and answer the question that follows: Many slaves preferred not to escape their horrible lives on plantations because their families were often with them. Despite the fact that slaves had no rights, they often found ways to sabotage the...
Sunday, June 1, 2014 at 3:15pm

Science
Name 3 examples of how an abiotic factor could negatively impact an ecosystem:
Sunday, June 1, 2014 at 2:08pm

science
All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures that correspond to the ...
Sunday, June 1, 2014 at 12:25pm

science
Which female structure in a flowering plant traps pollen grains? a) pistil b) stigma c) ovary d) anther Answer A
Sunday, June 1, 2014 at 12:19pm

Science
Hello! I am having some trouble with this one question. I know that the Earth's gravitational force pulls the train towards the ground, but I do not know how the other forces act on the train. Any help is super appreciated:) Q: Explain how gravitational, electrical, and ...
Saturday, May 31, 2014 at 9:56pm

Science
Hello! I need help on this one question. I know that the Earth's gravitational force pulls the train towards the ground, but I do not understand how the other forces act on it. Explain how gravitational, electrical, and magnetic forces act on a maglev train. Thank you for ...
Saturday, May 31, 2014 at 9:51pm

intro to computers
A user calls the help desk and says she cannot install a Windows application on her Windows 8 computer because she is being denied. What is the most likely reason?
Saturday, May 31, 2014 at 2:35pm

physical science
A 0.200 kg ball sits on a shelf 2.00 meters from the floor and then falls to a point 1.00 meter from the floor ignoring any affects due to fiction at this position_______
Friday, May 30, 2014 at 10:11am

Science
1. How does a nuclear power plant produce energy? A. Through solar panels B. Through nuclear fission reactions C. Through geothermal heat D. Through nuclear meltdown reactions<------------ 2. How can human population growth affect ecosystems like rain forests? A. Human ...
Thursday, May 29, 2014 at 7:21pm

Science
How do fossil fuels contribute to air pollution? by reversing the greenhouse effect
Thursday, May 29, 2014 at 5:45pm

Science
how can using biomass fuel instead of gasoline in car engines help conserve natural resources? It burns more fossil fuels It reduces the use of coal<--- It uses a renewable resource
Thursday, May 29, 2014 at 5:12pm

Science (Please check!)
this device is a burner from an electric stove. it is used to transfer heat to a pot by a. conduction b. convection c. radiation I think c.
Thursday, May 29, 2014 at 4:44pm

Science
1. Which of the following is the most effective way to preserve biodiversity? A) Captive breeding B) Habitat destruction C) Habitat preservation<---- D) Habitat fragmentation 2. A county commissioner wants to reduce the amount of waste sent to the local landfill. Which of ...
Thursday, May 29, 2014 at 4:10pm

Maths ,science
Bongiwe invests R12000 in a savings account at 6,5% per annum compound interest.Calculate how much there will be in the savings account after 5 years
Thursday, May 29, 2014 at 3:28pm

science
How did farming change during the Roman Republic period? A. Farming became more of a business, run by wealthy landowners. B.Farmers began to rely on laborers from distant lands to harvest their crops. C. Farmers began using steam-powered machines to harvest crops. D. Small ...
Thursday, May 29, 2014 at 1:37pm

science
the aim of this experiment is to determine how much lead oxide can be made from 4,0g of lead nitrate.calculate the mass of lead oxide you should make.
Thursday, May 29, 2014 at 12:18pm

Science
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? (1 point) Kudzu can easily be removed...
Thursday, May 29, 2014 at 12:16pm

science
we generrally hear about epidemics after any natural disaster. why
Thursday, May 29, 2014 at 11:39am

science
Which set of terms below would be the best choice to use to describe the components of blood? A. leukocytes, ventricle, atrium, aorta B. platelets, plasma, erythrocytes, leukocytes C. electrolytes, artery, vein, cardiac D. antibodies, hemoglobin, pulmonary, systemic
Thursday, May 29, 2014 at 11:35am

Science
Dichotomous key. What does this mean? Plants with seeds Go to B Plants without seeds Go to B or Arthropods with wings Go to 2 Arthropods without Go to 3 AND WHAT'S THE MEANING OF GO TO 1 or B?
Thursday, May 29, 2014 at 4:25am

Science
1. Which of the following is evidence that groundwater cause erosion and deposition ? a) the formation of meanders b) the formation of large boulders in the desert c) the formation of alluvial fans d) the formation of stalagmites and stalactites in caverns <----
Wednesday, May 28, 2014 at 10:07pm

Science
How is an area’s topography determined? B. By using an areas elevation relief and landforms How do Global Positioning Systems use elevation points on Earth’s system to find latitude and longitude? A. By using signals form a network of satellites How are lakes and ...
Wednesday, May 28, 2014 at 7:22pm

Science
Which part of the ocean floor is part of the continuous underwater mountain range that circles Earth? B. Mid-ocean ridge Which of the following statements describes the difference between physical and chemical weathering? B. Physical weathering is caused by ice, while chemical...
Wednesday, May 28, 2014 at 6:41pm

Science
How is an area’s topography determined? B. By using an areas elevation relief and landforms How do Global Positioning Systems use elevation points on Earth’s system to find latitude and longitude? A. By using signals form a network of satellites How are lakes and ...
Wednesday, May 28, 2014 at 6:28pm

science
2. I need help balancing this Na2(SO4) + CaCl2 „³ NaCl + Ca(SO4)
Wednesday, May 28, 2014 at 4:43pm

science question
Which process tends to occur more quickly, natural selection or artificial selection?
Wednesday, May 28, 2014 at 4:05pm

Science
An object has a mass of 5.0 kg on the surface of the Moon. What would be the object's: a) mass on Earth b) force of gravity on Earth
Wednesday, May 28, 2014 at 3:55pm

Science
An oxygen ion has 8 protons and 6 electrons. What is its charge in coulombs?
Wednesday, May 28, 2014 at 1:09pm

Science
What form of pollution, if any, does each energy source cause? How does the economy influence energy source choices? How does location influence energy source choices?
Wednesday, May 28, 2014 at 1:02pm

science
what is a form of energy that is always transferred from a warmer substance to a cooler one?
Wednesday, May 28, 2014 at 12:32am

science
dilution of a vinegar solution 10x?
Tuesday, May 27, 2014 at 11:20pm

Science
According to the following thermochemical reaction, how much energy is involved in the reaction of 18.5 g of NaHCO3? Is the reaction endothermic or exothermic according to how the thermochemical equation is written? 2NaHCO3(s) + 129 kJ → Na2CO3(s) + H2O(l) + CO2(g)
Tuesday, May 27, 2014 at 5:22pm

physical science
A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What is the efficiency of the machine? A. 92 percent B. 94 percent C. 97 percent D. 96 percent
Tuesday, May 27, 2014 at 4:57pm

physical science
A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What is the efficiency of the machine?
Tuesday, May 27, 2014 at 4:56pm

science
HOW COME MANY KIDS AREN'T ALOUD TO TALK ABOUT GOD IN SCHOOLS? and evolution still doesn't makes sense.
Tuesday, May 27, 2014 at 4:07pm

science
For the following question, refer to the text below, from the Twelve Tables, Table 1: 6-9. When the litigants settle their case by compromise, let the magistrate announce it. If they do not compromise, let them state each his own side of the case, in the comitium of the forum ...
Tuesday, May 27, 2014 at 3:54pm

Science
1.How are continental glaciers different from valley glaciers? C. Continental glaciers flow in all directions as they move, while valley glaciers mice down slopes already cut by rivers 2. How does the process of plucking cause erosion D. Rocks are mixed with sediment and ...
Tuesday, May 27, 2014 at 3:25pm

Science
Can anyone help me with some topics to write about on what chemistry has to do with mechanical engineering. Anyone's help would be appreciated because I really need to finish this 10 page research paper.
Tuesday, May 27, 2014 at 3:23pm

science (check!)
A biologist made population counts of four different species of animals in an ecosystem. What can you infer from these numbers about possible predator-prey relationships between the species? Species A:155 Species B:17 Species C:2467 Species D:19 A.Species A could be a predator...
Tuesday, May 27, 2014 at 1:05pm

science
8.two species have a relationship with one another in an ecosystem. suppose one of these two species goes extinct. which type of relationship did the two have if the surviving species population increases after the other goes extinct? A.the extinct species was a parasite in a ...
Tuesday, May 27, 2014 at 12:04pm

science
Which of the following will the serving on the left provide in greater quantity than the serving on the right? (1 point) A. protein B. carbohydrates C. fat D. calories
Tuesday, May 27, 2014 at 11:08am

7th grade science
Energy & Environment Which of the following desribes an example of land reclamation? A)after an are is mined for copper ,the soil is replaced and new plants are planted. B)after a forest is clear-cut ,desertifications occur. C)after a forest is clear-cut,it is mined for copper...
Tuesday, May 27, 2014 at 8:46am

science (check plz)
8.two species have a relationship with one another in an ecosystem. suppose one of these two species goes extinct. which type of relationship did the two have if the surviving species population increases after the other goes extinct? A.the extinct species was a parasite in a ...
Monday, May 26, 2014 at 11:48pm

Math
These two box and whisker plots show the results of a science test. Plot 1: Minimum:65, Maximum:95, Median:82, 1st Quartile:67, 3rd Quartile:88 Plot 2: Minimum:57, Maximum:100, Median:92, 1st Quartile:78, 3rd Quartile:93 What does this information tell you about the results? A...
Monday, May 26, 2014 at 10:20pm

science (help)
18.Fertilizers and pesticides applied to farm fields in Pennsylvania have made their way down into the Chesapeake Bay in Maryland. This is an example of _________________ pollution. 19.Before beginning any land development project, people should carry out a(n) ...
Monday, May 26, 2014 at 9:55pm

science (check!)
when fossil fuels are burned they produce _____, the main greenhouse responsible for global warming trends. ----MY ANSWER: emission?---
Monday, May 26, 2014 at 9:11pm

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