Answer:
Natural selection occurs if four conditions are met: reproduction, heredity, variation in physical characteristics and variation in number of offspring per individual.
Explanation:
An air mass that originates over land in Central America is most likely warm & dry.
a
because I have had this question
i think it's D.
(im not 100% tho)
hope this helps (´▽`ʃ♡ƪ)