Answer:
1/4
Explanation:
The reason that the answer is 1/4 is because the young man, his grandfather, his father, and his mother equal 4 people. The young man is 1 person. 1 person/4 people = 1/4.
True, this is exactly what convergent evolution is
Answer:
It ensures life on Earth can exist.
2. It is the universal solvent.
3. It is a part of all organic compounds, including carbohydrates and nucleic acids.
4. It is found in every living thing.
I think so not sure sorry:-)
Digestive System, Stomach, Stomach Lining, Epithelial Stomach Cells.
Pretty sure unless its reverse.
Genes are segments of dna thanks