This pie chart gives information on US sources of greenhouse gas emissions by economic sector in 2013. Based on the data, arrange the activities in decreasing order of their contribution to climate change. burning fuel for cooking and

heating at home

storing manure from livestock

waste in holding tanks

using vehicles to move people

or goods from one place to

another

producing goods using raw

materials

burning fossil fuels for power

generation

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?