Explain what is "Heredity".

Which scientists contributed to the determination of how cfcs in clouds in the upper atmosphere could destroy ozone molecules

Which statement characterizes synthetic polymers? a. they come from animals and plants. b. they are found in nature. c. they are made in a lab. d. they are components of starch.

What happens to the concentration of hydronium ions as the ph of a solution increases? a. hydronium ion concentration stays the same b. hydronium ion concentration decreases c. hydronium ion concentration increases