A tetrad consists of 2 homologous chromosomes each of which is made up of 2 sister chromatids
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- Wind
- Sunlight
- Plants
- Soil
- Coal
- Minerals
- Water
- Animals
In short it's natural resources.
Endogenous processes - Under surface of the earth.
Exogenous processes - Above the surface of the earth.
Lithosphere - Is broken into tectonic plates.
Plates - made of thick slabs of rock, compose the crust/ocean crust .
7 major plates - Pacific, North America, South America, Eurasian, Antarctic, indo-Australian