Answer:Some of the key types of functional groups found in biological molecules. ... strongly hydrophilic group is the carboxyl group (COOH), which can act as an acid and ... The letter R is used throughout biology and chemistry to simplify chemical ... but that may not be a good term to use) and is commonly seen for elements
Explanation:
I think the answer is: orogenisis
Good luck! XD
B. Because they are harder to see
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.
