Earth Science Homework?
do my homework for me? im in a big heap of trouble and i ave three other assignments and this one i dont have time for.
1. What are the branches of earth science?
2. What is the science of studying the weather?
3. Where does the earth get most of its energy?
4. What percentage of earth’s heat comes from within the earth?
5. What organisms are responsible for taking carbon dioxide out of the air?
a. What would happen in the air if those organisms were not around?
b. What thing (that is not an organism) also absorbs carbon dioxide, and is called a “carbon sink”?
6. What are the lines on a topographic map called
a. What is the distance between them called?
7. Explain radioactive decay.
a. How is radioactive dating used to determine the age of rocks?
b. Using radioactive dating techniques, what is the oldest know rock on earth?
8. How is a mineral different from a rock?
a. What valuable minerals are mined in California?
b. What are rocks called that have valuable resources in them?
9. How is sedimentary rock formed?
10. How are fossils created?
11. What are the commonly used renewable sources of energy? List four.
12. What are the consequences of burning fossil fuels in terms of changing the atmosphere?
13. Explain what plate tectonics is.
a. How are earth quakes, volcanoes and continental drift associated with plate tectonics?
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To be honest? In the time it took you to write these questions down on the yahoo page, you probably could have answered half of them, and by now, all of them. It’s really to your own detriment not doing it yourself because when the test comes, you wont know any of it at all! Astronomy and Geology can be very interesting if you approach then with an open mind! give it a shot, I think youll do fine
Good luck from Australia
13.-its how the earths crust pieces move along the core.