The answer to your question is answer choice .1 Independent variable.
The answer is skin cells. Other cells, like nerve and brain cells, divide much less often.
Answer:
According to the current fossil record, scientists believe that the life on earth began about 3.5 billion years ago.
Both of them have a shell with a living organisms with the valves and they both are form somewhere different
The cells make up tissues and they make up organs and the organs make up organ systems
