Answer:
Red blood cells transport oxygen around the body. They are specialised to carry oxygen because they: contain large quantities of a protein called haemoglobin , which can bind oxygen. don't have a nucleus, so there is more room for haemoglobin.
Explanation:
Answer:
that would be C, seafloor spreading occurs!
Explanation:
Answer:
2
Explanation:
Since the mutation occurs within the organism it is directly affected. However, mutations need to occur in the reproductive system of organisms to affect their offsetting
Answer:
convex lens
Explanation:
because when parallel rays of light pass through a lens are brought together through a lens
