Which of the following is a possible consequence associated with prolonged exposure to lead?

a.

increased occurrence of delinquent behavior

b.

increased occurrence of adhd

c.

increased occurrence of depression

d.

increased occurrence of obesity

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one