Free points bc it’s 11:16pm and I’m very bored doing this math test thing lol. Why is the sky blue?

How many hours in one day?

What’s the first letter of the alphabet?

Amutagen is 1: a living thing that has undergone a mutation. 2: an agent that causes a mutation in dna. 3: a mutation that has affected one gene. 4: a chemical that can poison living cells.

What are the steps of how energy is transformed in plant cells?

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.