Answers: 2
Biology, 22.06.2019 10:10
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?
Answers: 1
Biology, 22.06.2019 13:00
Which type of landform forms at the plate boundary as a result of divergent stress
Answers: 1
Biology, 22.06.2019 19:00
Identify the area on the image where the force of attraction is the strongest.
Answers: 2
Biology, 23.06.2019 00:00
Brainlest awardhow does smoking and arterial plaques increase the risk of hypertension? (2 points) select one: a. both increase blood volume. b. both decrease blood volume.c. both expand the diameter of the blood vessels. d. both constrict the diameter of the blood vessels.
Answers: 1
What is the main cause of anxiety...
Mathematics, 20.01.2021 03:10
Computers and Technology, 20.01.2021 03:10
History, 20.01.2021 03:10
Mathematics, 20.01.2021 03:20
Mathematics, 20.01.2021 03:20
Mathematics, 20.01.2021 03:20
History, 20.01.2021 03:20
English, 20.01.2021 03:20