Which is one of the most important differences between prokaryotes and eukaryotes? . a. the cytoplasm in eukaryotes does not contain any organelles but that prokaryotes does. b. eukaryotes are much smaller than prokaryotes. c. prokaryotes do not have a well defined nucleus, but eukaryotes do.

How does secondary succession differ from primary succession?

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?

Which number represents a basic ph, 4 or 9? numerical answers expected! answer for blank 1: i'll give