Answer: a star expels most of its outer material until only the hot core remains, which then settles down to become a young a white dwarf
Explanation:
Answer:
Animals need resources to survive.
Explanation:
With a lack of enough resources for various animals, it generates competition for resources and eventually animals will start to starve and die off.
It would be hydrogen and oxygen molecules. H: hydrogen O: oxygen, the H2O is the product.
