Answer:
not very sure what your question if you can upload again the question that will be great
Answer:
Cellulose is the main substance found in plant cell walls and helps the plant to remain stiff and strong
Explanation:
Sinks of carbon dioxide can be farms grasslands or forest
The first answer is volcanoes
The second answer is They move because of convection currents in the mantle
Answer:
Enzymes help cells digest food, extract energy from food, and Increases the rate of chemical reactions.
Explanation:
They increase the rate of chemical reactions. Enzymes can be used to break things down, or to make things up.
Without enzymes, reactions in a cell would slow to a halt, to a point where the cell would die.