Answer: proteins
Explanation:
Answer:
The kangaroo and the beaver both have hair, mammary glands, and long gestation.
Explanation:
Because I had the same question on a test and I failed and see that this was the answer
A scientific theory is a broad explanation for events that is widely accepted as true. Evolution is a change in species over time. Evolution occurs by natural selection. The cell theory states that all living things are made up of cells, and living cells always come from other living cells.
They all work in the digestive system and they all play a role in the digestive system
Atomic mass - atomic number = neutrons
126.9 - 53 = 73.9 = 74 neutrons
