When things are difficult in your course and you are having trouble what resources can you use to help you find the answers? so can you guys help my. My teacher she ask me that question & i dont have answer for this

Why do mutations in genes affect traits? o a. genes determine what type of mutagens an organism has. o b. genes produce proteins that cause traits. o c. genes affect how many chromosomes an organism has o d. genes code for carbohydrates that influence traits.

Describe characteristics of a good respitory surface

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?