What happens a few days after fertilization?
A. The blastocyst forms.
B. The embryo attaches to the mother
C. The mother has contractions
D. The eye develops

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .