4. A star's stellar mass will influence its life cycle. (10 points) A. What happens during the life cycle of a star with one stellar mass? (4 points)
B. What happens during the life cycle of a star with two to three stellar masses? (4
points)
C. What is left behind after a star with four or more stellar masses has died? (2 points)

we would need to see the picture to answer it

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.