The common ratio the next three terms of the geometric sequence for -1,2,-4

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

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic

2polnis which of the following is an advantage of an in vitro experiment?me