A campfire is a good source of heat and light on a cool night. The energy that is released when firewood is burned comes from
A.
the kinetic energy of the moving flames.
B.
the energy used to carry the wood.
C.
the chemical bonds in the wood.
D.
the energy used to strike the match.

Which of the following represents the chemical reaction of hydrazine and hydrogen peroxide to produce nitrogen and water? a. nitrogen + hydrogen peroxide → hydrazine + water b. nitrogen + water → hydrazine + hydrogen peroxide c. hydrazine + hydrogen peroxide → nitrogen + water d. water + hydrogen peroxide → nitrogen + hydrazine

What is turgor pressure, what causes it, and what does it do for a plant?

The transport tubes from food came down the plant are called?