Genetics, double helix, cells
Explanation:
A rock falling through Earth's atmosphere from outer space is called a asteroid
There cannot be more carnivores than herbivores because the carnivores eat the herbivores. If there wasn't enough herbivores to eat, then the carnivores would eventually become extinct.
<span>He discovered a new type of medicine that could treat infections.
Hope this helps!
-Payshence xoxo</span>
