Which substance provides humans with their main source of energy? @4.4.8. A @1

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A)

Food

B)

Carbon dioxide

C)

Water

D)

Cholorphyll

Based on the macroscopic views of the three substances, which is most permeable?

What is the sun a big ball of gas

Which electromagnetic wave transfers the most energy

What are those tiny things that you plant underground to grow plants?

Water moves from Earth's surface to the atmosphere and back to Earth's surface again in a process known as the water cycle. Which of the following is the major form of energy driving the water cycle? A. nuclear energy B. geothermal energy C.

This particle is found in the nucleus and adds mass to the nucleus, but changing its number does not change what the element is. This particle is the A. proton. B. photon. C. neutron. D. electron.

Projectile motion is an example of what kind of motion

What can change scientific knowledge?

6. What is ductility?

During practice, a baseball player hits a very high fly ball, and then runs in a straight line and catches it. Which had the greatest displacement during the time period from the hitting of the ball to its catching