(Please leave an answer if you know the correct one!) I'm unsure of my answer, if you'd like to...could you please assure me of my answer? Or, if my answer is wrong correct me and explain why! ^^ Thank you! I'll try to help you in return!

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it

Which of these is not a nucleotide base found in dna?