I think i see what he means the answer is B.
but correct me if i'm wrong.
Answer:
How does the mitochondria produce energy for the cell answers key?
Explanation:
Mitochondria are the powerhouses of the cell because they "burn" or break the chemical bonds of glucose to release energy to do work in a cell
Variation means difference in genetic makeup between individuals within a specie.
ans is D. Most items are features in the spinal cord, but the hippocampus is in the brain.
Answer:
Groundwater
Explanation:
Groundwater, which is in aquifers below the surface of the Earth, is one of the Nation's most important natural resources. Groundwater is the source of about 33% of the water that county and city water departments supply to households and businesses (public supply).