Out of 5 undisturbed horizontal beds of sedimentary rock, we can say that a. the top layer is oldest b. the lowest layer is oldest c. there is no way of knowing which is oldest d. the 2nd and 3rd are younger than the top layer.

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

Choose the best definition of allele. a. one of several possible versions of a gene, which each produce a different phenotype b. an organism that's purebred for a given trait c. the process of fertilizing a plant with pollen from another plant d. a set of genes that are located on the same chromosome and so are tightly linked

Do anyone know who mrs leddy is from duval charter if so me on the homework for 40 points