Inics 18. which of the following statements does not accurately describe the role of carbon in the earth's ocean and atmosphere? a. once carbon is absorbed in ocean water, there's no mechanism by which it can return to the atmosphere. b. carbon in ocean water can be used by marine life to build calcium carbonate shells. c. increases in carbon dioxide in the atmosphere result in greater absorption of carbon dioxide by the ocean and the subsequent acidification of ocean water. d. carbon dioxide in the shallowest ocean waters can readily return to the atmosphere. er. edu

Why are there different theories about the effects of global warming

Iwill make you brainliest pleeze answer this fast i have to turn it in really soon brainliest promise easy question 6th grade ! a weather map shows a high pressure system with circles around it. what does this mean? a) an occluded front b) areas of equal altitude c) areas of equal pressure d) a stationary front

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?