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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 21:30
What best explains why atp is regarded as a renewable resource within the cell
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Biology, 23.06.2019 00:30
Why is it important that each contour line represents the same amount of gain or loss in elevation
Answers: 3
Biology, 23.06.2019 04:00
Where is the female part of a plant located? a.in the pollen b.in the roots c.in the stem d.inside the flower
Answers: 2
Describe the structure and function of the male and female reproductive parts of a flower...
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