Answer:Evolution is a process that results in changes in the genetic material of a population over time. So its true!
Explanation:
This is correct!
They are both important because mechanical has to do with physical - cause mechanical means physical, so chewing your mouth is physical (you break your food into smaller pieces physically). And then chemical digestion is when food and saliva mix together. They happen when breaking down food into nutrients - enzymes. Enzymes are important for that process, because they make a nutrient.
Hope this helps!!
Answer:
D.
holds the bones of the skeleton together
Explanation:
I believe a river is the answer
All cells are similar in composition and metabolic activities.
