C4 and CAM plants are A. Adaptations to arid environments
B. Adaptations to moist environments
C. More common than C3 plants
D. Less efficient at water conservation

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

80 points pls brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?

What happens when a scientific theory is shown to be an accurate description of a phenomenon?