1) which theory states that all living things are composed of cells? a) cell theoryb) hooke's rulec) evolutionary theoryd) mendel's law

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

Physical characteristics of down syndrome

Interferons play a vital role in the immune system why are interferons so important?