Answers: 1
Biology, 22.06.2019 09:40
Me 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 19:30
When mitochondrial dna from living relatives was compared with mitochondrial dna from the skeletons, scientisits determined that skeletons 3,4,5,6 and 7 were members of the romanov family. which of these skeletons can be identified by name based on the evidence you have? explain your answer.
Answers: 2
Biology, 22.06.2019 22:00
In the 1500s, an astronomer developed a new model of the universe. this model had the sun at the center of the universe, not earth. who was this astronomer?
Answers: 1
A crowbar is used to lift a heavy rock. The mechanical advantage of the crowbar is 4 and the crowbar...
English, 08.12.2020 03:50
Mathematics, 08.12.2020 03:50
Business, 08.12.2020 03:50
Mathematics, 08.12.2020 03:50
Computers and Technology, 08.12.2020 03:50
Geography, 08.12.2020 03:50
Biology, 08.12.2020 03:50
Mathematics, 08.12.2020 03:50
Chemistry, 08.12.2020 03:50
Mathematics, 08.12.2020 03:50
History, 08.12.2020 03:50
Geography, 08.12.2020 03:50
Spanish, 08.12.2020 03:50
History, 08.12.2020 03:50
Biology, 08.12.2020 03:50