Biology, 13.10.2019 03:00 robertcoe426
Which best describes the big bang theory? a. the universe is 4.6 billion years old. b. the universe is shrinking. c. our universe is not the only universe. d. the universe is expanding.
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The term equestrian relates to which animal? bulls cows horses pigs
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Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?
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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 planetsโ 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
Which best describes the big bang theory? a. the universe is 4.6 billion years old. b. the universe...
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