Which piece of data helps explain the uneven distribution of minerals across Earth's crust? O A. All of Earth was once covered by water or ice. B. Most minerals are grown by scientists in laboratories. O C. Volcanoes are found near places of plate tectonic activity. D. Most of Earth's crust is made of only a few elements.

Match the description of each organism to the appropriate category

20 point pls brianliest 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?

In meiosis ii during anaphase ii which structures separated homologous chromosomes or sister chromatids