How many atoms are shown below?

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

What is the difference between an igneous, sedimentary and metamorphic rock

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