Which of the following is the best example of a hypothesis? a) water makes plants grow. b) if a plant receives water, it will grow. c) if a plant receives water, then it will grow faster. d)when a plant receives water, it grows. answer asap

What causes temperature extremes in the desert

Natural selection changes allele frequencies because some survive and reproduce more successfully than others.

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.