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oceanography
| Question | Answer |
|---|---|
| What atoms are made of | silica |
| what percent of rocks on continents are sedimentary | 50 percent |
| Some well perserved fossils are found at | Mountains |
| Coarse sediemtns are found near | the shore |
| olites are | carbonate sphere |
| where iron and magnesium are found | ocean floor |
| What helped find sea floor spreading | radar/sonar |
| Something that effects the density of the ocean | salt |
| What control tides | moon |
| How many tides are there | 2 high and low |