Placement of legend is the correct answer.
(D)an atom can join with other kinds of atoms.
Basically he explained what a molecule is.
Answer:
nerve system
Explanation:
because it is trying to give a electric pulse to start it
Answer:
algae - crown pls
Explanation:
algae because if there wasnt algae the food chain wouldnt survive
A, because plant cells do have membrane-bound nuclei. they have chloroplasts, so that isn't it. Plants don't use oxygen for photosynthesis, but carbon dioxide. The plant walls are made up of cellulose,, not lipids. It must be A.