Karissa is conducting an experiment on the amount of salt that dissolves in water at different temperatures. What can Karissa do to increase confidence in the results of her experiment? Check all that apply. have another scientist run the same exact procedure in her lab include several other liquids for comparison calculate the average amount of salt that dissolves to summarize findings test water temperature many times with the same procedure make sure the experiment follows a specific procedure that allows other scientists to produce the same findings

Wich level of organization includes all the other levels or organizations

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america

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?