The digestive system, it breaks down the material into nutrients and the circulatory system then carries it out to the cells throughout the body. hope this helps!!!
Answer:
A. DNA Polymerase
Explanation:
It absolutely cannot be C. Ozone or D. Radiation since those two answers are in relation to outside variables affecting health. Not inherited diseases. Therefore, it is in between A. or B.
Answer:
The answer is Homo Erectus.
Explanation:
There is evidence that the first hominid species that controlled fire and migrated was homo erectus which was about 400.000 years ago but it is not accurately known and can range between 200.000 and 1.7 million years.
I hope this answer helps.
Backward chaining starts with a goal then searches back. Forward chaining starts with facts and searches forward.
