Cratering, Erosion, Volcanoes and Weathering
You didn't provide the reaction, but enzymes usually just help the reaction take place, often faster then it would in regular conditions. They are completely used up during the reaction and don't affect it in any other way, meaning they don't change the properties of the compounds.
Answer:
homozygous
Explanation:
when an individual both copies of a given gene have the same allele
Oranelles carry out specific functions within the cell
C.stressors are activities that can cause danger