Plant and animal cells differ in a variety of ways. plants have a special structure that them produce their own food. within this specialized structure, the plant is working hard to convert the energy from the sun into its own sugars. what is the name of this plant structure?

Which term refers to the total dollar value of the goods and services produced in a country in a year?

Regarding most of the narrator’s story, which word best describes the tone?

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?