Einstein’s discovery that energy and mass are equivalent has led to technological developments that are both beneficial and dangerous. discuss some of these developments. overall, do you think the human race would be better or worse off if we had never discovered that mass is a form of energy? defend your opinion.

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