Answer:
convection currents are the result of differential heating
Slaves in the Athens culture worked along side with the slaves while Sparta slaves had the do all the farming and stuff because war and being physically strong was more important to them.
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Biochemical limestone is when the calcium carbonate is locked into the fossil shells and skeletons of marine organisms.
But chemical limestone is when the calcium carbonate is in the form of calcite mineral crystals.
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~Being close to water means having control of the seas
~Being on the water gives a country more power over their navy
Answer:
D. intense volcanic activity.
Explanation:
- The Paleozoic era an era in the geologic time and started about 541 million years. It originated due to the diversity of life forms on the planet. and ended about 252 mn years ago along with the end of Permian era.
- The extinction was related to the changes in climate and exceptionally low sea levels. During which about 95% of the marine species were killed.