SOX9 is necessary for testis development. Which of the following factors are necessary for activation of its expression embryonically? a. WNT4 and beta catenin
b. SF-1 and SRY
c. WNT4 and SRY
d. RSPO1 and FGF9

hammurabi rulers

good lesson

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.

rising temperatures because when water vapor in the air is cooled, it condenses. it turns back into a liquid and attaches to dust particles in the air. these very small water droplets group together to form clouds