What do you call a soft ,heated mass of crushed leaves and other substances that spread over the skin to treat swelling or pain ? a. bandage
b. ointment
c. poultice
d. solution​

Animal bodies (and even plant bodies for that matter) are complex enough that life couldn't exist without enzymes. enzymes are usually large, complex biological catalysts that are expensive to make. enzymes speed up the rate of chemical reactions without being used up during the reaction (they can be reused many times). they are highly specific in the reactions they regulate. knowing what enzymes are and how they function, why does this explain why complex life forms could not exist if there were no enzymes.

What must be done to breed dogs for a partical trait

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above