Which statement describes a function of the hormone estrogen? a. It regulates the secretion of digestive enzymes.

b. It promotes sperm production in males.

c. It influences the development of adult sex characteristics.

d. It maintains blood sugar levels.

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.