Which of the following chemical reactions is reversible? A. The neutralization of an acid.
B. The burning of wood.
C. The freezing of water into ice
D. The dehydration of copper sulfate (CuSO4).

the freezing of water into ice is reversible because you can still melt that I e and reverse it back into it's liquid form.

one state would change   like louisiana to texas. thats a change

explanation:

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.