Biology, 17.09.2021 23:20 akornegay2
Which letter represents the part of the earth's interior in this diagram that contains the oldest rocks on earth?
Answers: 3
Biology, 21.06.2019 19:30, granthazenp5e9mj
Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?
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?
Answers: 1
Biology, 22.06.2019 15:30, destinybonmer
Northern switzerland has a fairly cold climate caused by sea winds from the atlantic ocean but souther switzerland tends to be much warmer and sunnier, what could cause this difference?
Answers: 1
Which letter represents the part of the earth's interior in this diagram that contains the oldest ro...
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