Which statement is true about sliver and gold?
a. they are both made of subatomic particles.
b. they both are made only of protons
c. they both make up the water molecule
d. they are both in every living organisms

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