What is the nebular theory?
a. The theory about the Sun in our Solar System
b. The theory ab...
Answers: 1
Biology, 22.06.2019 00:30
If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?
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Biology, 22.06.2019 06:00
Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this
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Biology, 22.06.2019 09:40
80 points pls 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 11:30
28. how many linkage groups will be formed by homogametic organism with 28 chromosomes?
Answers: 2
Mathematics, 24.04.2020 16:54
Mathematics, 24.04.2020 16:54
History, 24.04.2020 16:54
Mathematics, 24.04.2020 16:54