Answers: 1
Biology, 22.06.2019 09:40, kenldykido2300
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?
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Biology, 22.06.2019 17:30, savannahvargas512
Which layer of the eye completely surrounds the eye except for a dark, round opening called the pupil? a. sclerab. corneac. retinad. choroidthe answer is a sclera
Answers: 2
Biology, 22.06.2019 19:10, isabellawest2
which is an effect of short-term environmental changes? a) adaptation b) speciation c) extinction d) death (5 points)
Answers: 1
What is it called when sucrose breaks down into glucose...
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