What element is needed for cellular respiration?

Long term exposure to waves can cause sunburns and skin cancer.

What molecule does hemoglobin decay into over time

In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.