I want to see how tall plants will grow depending on what they are planted in; soil, sand, or soil and sand mixture. I think the plants will get the tallest in
the mixture. What did I just make?

soil

Explanation:

because I have a I tried plant them in the mixture but it didn't work out so I used in stead because it work well plant grow 3 ft and if give the plants a lot water and sun will help too

there are 35 white marbles

step-by-step explanation:

y- yellow marbles

4y + 5 = 45

subtract 5 from both sides

4y = 40

divide for from both sides

y = 10

plug in 10 to get 40 yellow marbles then subtract by 5 to get 35 marbles

thus there are only 10 yellow marbles

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

i hope this : )