Variation is when different genes are expressed but variation can also be due to

Describe the potential effects, on people, of unprotected exposure to the sun. give an example of 1 new thing have you learned about the sun’s uv rays.

What angle should your knees not bend past when squatting? a. 30 degrees b. 45 degrees c. 90 degrees d. 120 degrees

Stuart runs with his brother each morning, and they can only speak one or two words at a time between multiple deep breaths. which best describes their heart rates during this activity? low moderate vigorous dangerous