What happens when light energy excites electrons in photo system 2?

Which promotes a more sustainable use of resources? O A. Switching to solar electricity O B. Mining for more coal O C. Using more landfills O D. Using more oil to fuel cars

8: Which of the following are that both unicellular and multi-cellular activaley balance in order to achieve homeostasis? A. size, shape, and mass B. texture, density, and flexibility C. wastes, nutrients, and water D. sound, light, and temperature

Which describes one of the ways proteins behave in facilitated diffusion? A) They change membranes. B) They use ATP. C) They change shape. D) They create channels ...

Which statement best relates why these animals have so much blubber?

In some regions of the world, forests are cut down and then burned to create room for farmland. How might this local environmental change affect people living on the East Coast of the United States?

Do animals secrete hormones to break down food

Which disease is caused by a pouching of the small intestine and peritoneum into the groin area? a. achalasia. b. hemorrhoids c. inguinal hernia d. colon polyps?

At the beginning of cell division the chromosome consists of what two sections

The fact that both green and yellow peas were produced by tall pea plants in predictable frequencies led mendel to propose the

What is a simple statement that predicts the result of a controlled scientific experiment? Question 1 options: Observation Hypothesis Conclusion Theory SaveWhat is a simple statement that predicts the result of a controlled scientific experiment?