Brainlies ! answer 1. which of the following is true about how science is used to solve a problem? it is affected by social concerns. it is unaffected by political concerns. it is not influenced by economic conditions. it is not determined by external local factors. 2. which of the following steps is not likely to take place during cellular respiration? oxygen combines with carbon of simple sugar. energy molecule transfers energy to cells. simple sugar breaks down. energy is used up.

Are the earth's ocean floor and continents the same age geologically? why or why not?

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?

Achange in direction without a change in speed is called velocity