Atoms with a covalent bond
Answer:
A.
Explanation:
It shows a clear view of what a group of cells of a plant would be like.
the radiations that are used to treat cancers are of the gamma type. primarily emitted from cobalt-60 (a radioactive isotope). and it is more controlled than other radiation exposures. i.e. solar radiation which is not controlled.
hope that this helps.
It is the sun. You start with photosynthesis.
