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Page 10
Questions (161,161)
From XNH3+YO2=ZNO+QH2O. find the value of Z?
10 answers
asked by
Chelly
3,400 views
Some say that the hot air balloons with which the Montgolfier brothers performed their first flight had a volume of 1700 cubic
5 answers
asked by
Nick
4,816 views
How many kilojoules of heat are required to melt a 10.0 g popsicle at 0 degress C? Assume the popsicle has the same molar mass
7 answers
asked by
Anonymous
8,307 views
if the relative atomic mass of natural copper is 63.54,calculate the proportions of the isotope 65cu and 63cu
6 answers
asked by
etim sylvester
3,014 views
Why must a hole be made in the aluminium lid
7 answers
asked by
Abbot
1,784 views
Is potassium citrate ionic compound or molecular compound?
4 answers
asked by
Melissa
3,012 views
A moon rock collected by a U.S. Apollo mission is estimated to be 4.50 billion years old by uranium/lead dating. Assuming that
5 answers
asked by
alice
4,231 views
When a person is given intravenous fluid, the bag containing the fluid is typically held about 1.2 m above the person's body. If
4 answers
asked by
Amanda
1,581 views
Two identical cars
approach an intersection at the same speed at the same time as shown in the diagram. Car A takes a left turn
4 answers
asked by
james
1,322 views
Lesson 23: Biodiversity Unit Test
I NEED ANSWERS MY GRADE DEPENDS ON IT
5 answers
asked by
cat
1,154 views
Even after twenty years of use, most quarters have the same shiny appearance that they did when they were minted. Most pennies,
4 answers
asked by
Homeworktaker
1,348 views
A shower uses about 2 ½ gallons of water per minute. About how many quarts of water are used in 10 min
5 answers
asked by
saleem sadiq
775 views
calculate the final temperature of a 400g of water at 80 degree celsius if it is poured into a 100g pot at 30 degree celsius.
4 answers
asked by
Kaye
2,261 views
An example of a conductor would be....
a glass cup b air c a copper wire d rubber covering on a wire
3 answers
asked by
redredered
201 views
Which of the following is an accurate description of cosmic microwave background (CMB) radiation? (1 point)
Responses A. CMB
3 answers
asked by
wig
77 views
Two students hold the ends of a jump rope. One student moves the jump rope up and down, making a wave. Then, the student moves
3 answers
asked anonymously
260 views
Why does a bowling ball weigh more than a beach ball? (1 point)
• The bowling ball has more air • The beach ball pushes
1 answer
asked by
ok
120 views
Julia designed an experiment to find out if microwaving apple seeds keeps the seeds from sprouting.
First, Julia separated 24
1 answer
asked by
hii
57 views
Which of the following substances would allow an electric current to flow through it easily?(1 point)
Responses aluminum (Al)
1 answer
asked anonymously
66 views
Which is true of the offspring of plants that reproduce sexually?
They may be unable to reproduce They may be of different
5 answers
asked anonymously
147 views
Label each of the following as a correct or incorrect notation for this genus and species.(1 point)
Correct Incorrect HOMO
1 answer
asked anonymously
115 views
Question 4
A student is investigating three organisms to determine patterns of common ancestry. The image shows the similarities
1 answer
asked anonymously
65 views
As water becomes warmer, boils and then becomes water vapor (steam), what happens to its kinetic and potential energies?(1
1 answer
asked anonymously
50 views
Cellular respiration is a chemical process in cells that releases energy the cells need to function. What statement below is
1 answer
asked anonymously
54 views
How did the Industrial Revolution impact the population of peppered moths in Britain? (1 point) Responses The light-colored
1 answer
asked anonymously
39 views
All organisms contain DNA; What are the three structural components that make up all DNA?
Question 6 options: ATP nitrogen bases
1 answer
asked by
Alex
35 views
Write a story about a change an ecosystem and the other changes that occur as a result. Describe the habitat, the change(s) that
3 answers
asked anonymously
30 views
Question
[This is the stem.] Identify the highest possible category for each of the following animals, according to the food
1 answer
asked anonymously
28 views
What happened to the average surface temperature of the water from 1990 to 2005 to 2015?(1 point)
Responses It decreased then
1 answer
asked anonymously
37 views
The indicator methyl red has a pKHIn = 4.95. It changes from red to yellow over the pH range from 4.4 to 6.2.
If the indicator is
4 answers
asked by
cp
164 views
An aircraft flies at an altitude of 30,000 feet. Determine the air temperature (in [K]), air pressure (in [Pa]) and air density
6 answers
asked by
sam
4,268 views
What is the name of the process by which plants take in sunlight, carbon dioxide, and water, allowing them to make sugar and
34 answers
asked by
BB
10,903 views
Which biochemical process allows the yeast to perform its required function?
5 answers
asked by
Nkele
194 views
Scientists exposed plants to radioactive oxygen in different forms to observe how plants recycle oxygen during photosynthesis.
7 answers
asked by
HEALP QUICK
989 views
Science
CHECK MY ANSWERS!!!!!!! 1) Cobalt has a mass number of 59 and an atomic number of 27. A student wants to create a model
20 answers
asked by
DrBob222
6,566 views
Plants, bison, elk, and wolves are all members of an ecosystem. The bison and elk are both primary consumers in this ecosystem,
6 answers
asked by
nobody
295 views
Which is an example of a load in an electric circuit?(1 point)
Responses wiring wiring speaker speaker 9-volt battery 9-volt
4 answers
asked by
meli
363 views
(1) Which statement about the number of protons and neutrons in a nuclear change is correct?
(A)The total charge before and after
4 answers
asked by
Student
1,772 views
Which statement describes a similarity between conductors and insulators
3 answers
asked by
Kayy
867 views
Why does an aluminum block feel colder to the touch than a paperback book when you pick them up even though both objects are at
4 answers
asked by
A
317 views
One molecule of glucose is recycled into (blank) molecules of carbon dioxide during cellular respiration.
A. 2 B. 12 C. 6 D. 1 I
1 answer
asked anonymously
158 views
Which situation demonstrates causation?(1 point)
Responses Two variables decrease at the same time. Two variables decrease at the
3 answers
asked by
d
188 views
A student is investigating magnetic fields. The student places four different objects near identical magnets and observes what
1 answer
asked by
A
277 views
Rank the phases of matter from the one with the least kinetic energy to the greatest kinetic energy for the particles in the
41 answers
asked by
yes
18,767 views
An underground area of porous rock holds water. What is this area of rock called?(1 point)
a desert a plain an aquifer a farm
32 answers
asked by
.......
9,260 views
Animation shows a complete revolution of the earth around the sun. What happens during this time
5 answers
asked by
Sally
758 views
Solar Weather and Climate Quiz
1 of 91 of 9 Items Question This sentence explains the production and movement of energy in the
13 answers
asked by
Naruto
2,772 views
Compared to wave A, wave B has a _____.
shorter wavelength and greater frequency longer wavelength and lower frequency shorter
6 answers
asked by
sammybear*-*
946 views
I NEED HELP REALLY BAD
5. Directions: Select all the correct answers. Nancy is studying constellations in science class. Two
5 answers
asked by
Babatunde
1,242 views
The "***" is my answer
1. Use the image of a person lifting a boulder with a lever to answer the question. Where is the fulcrum
7 answers
asked by
HELP ASAP
973 views
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