Answers: 2
Biology, 22.06.2019 09:40
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?
Answers: 1
Biology, 22.06.2019 21:30
Jellyfish sometimes squeeze in the sides of their bodies. this pushes a stream of water from the back end of their bodies. according to newton’s third law of motion, how will this behavior affect of the jellyfish ?
Answers: 1
Biology, 22.06.2019 21:30
You sample a population of butterflies and find that 56% are heterozygous at a particular locus. what should be the frequency of the recessive allele in this population?
Answers: 1
What is an example of a microbe?...
History, 17.05.2021 22:10
Mathematics, 17.05.2021 22:10
Mathematics, 17.05.2021 22:10
Chemistry, 17.05.2021 22:10
History, 17.05.2021 22:10
Spanish, 17.05.2021 22:10
Chemistry, 17.05.2021 22:10
Computers and Technology, 17.05.2021 22:10
Mathematics, 17.05.2021 22:10
Physics, 17.05.2021 22:10
Mathematics, 17.05.2021 22:10
Mathematics, 17.05.2021 22:10