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earth science regent
| Question | Answer |
|---|---|
| which process occuring in the sun produces energy by converting lighter hydrogen into heavier helium? | nuclear fusion |
| over the last 200 years, global warming is inferred to be primarily caused by..... | an increase in greenhouse gases |
| the transfer in heat energy in the oceans due to density differences is best described as.... | convection |
| the universe formed when the big bang occurred about 14 million years ago | |
| cosmic background radiation is radiation left over from the big bang theory . | |
| a red shift in the EM spectrum of stars/ galaxies occurs when they are moving away from the earth . | |
| nearly all galaxies are red shifted this is evidence for the big bang theory and the expanded universe. | |
| we live in the milky way galaxy we are about 3/4 of the way out on an arm of our spiral galaxy. | |
| nuclear fusion takes place in the sun causing energy to be emitted. | |
| venus is the hottest planet on the average because of its thick atmosphere of CO2. | |
| earths early atmosphere formed by outgassing during volcanic eruptions. |