Emily’s friend Mark recently learned that he was adopted; although his parents tried to keep it a secret for as long as possible, he realized that he could not be their biological son because he has brown eyes, a dominant trait, while they both have blue eyes, a recessive trait. Is Mark correct in assuming he must be adopted because of his difference in eye colour?

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.

What is the role of the phospholipid belayer in cellular transport in living cells

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