In which reaction are the atoms of elements rearranged? A. Plutonium-240 breaks apart into xenon, zirconium, and three neutrons. B. Two isotopes of hydrogen fuse to form helium. C. Uranium-235 breaks apart into krypton, barium, and three neutrons OD. Methane gas combines with oxygen to form carbon dioxide and water.​

What are two ways in which waves erode the land?

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm

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?