The rain shadow effect is used to describe rainfall around certain mountain ranges. which of the following statements is true?
(a) the northern hemisphere and the southern hemisphere have the same prevailing winds.
(b) cool air can hold more moisture than warm air.
(c) in the northern hemisphere, there is more rainfall on the eastern slopes.
(d) you would expect deserts to form on the western side of mountain ranges in the northern hemisphere.
(e) none of the above statements are true.

20 the compound al(nh3)2 has atoms of nitrogen.

20 point pls brianliest 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?

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000