Usually determined by changes in the biota.
Explanation:
A fault is a product of brittle deformation in which a displacement occurs within the earth.
A normal and reverse fault both have an hanging wall and a foot wall.
- In a normal fault, the footwall moves upward and the hanging wall moves downward thereby causing extension.
- In a reverse fault, the footwall moves downward and the hanging wall moves upward thereby causing shortening.
- The footwall is the block on a side of the fault surface where a miner can stand whereas the hanging wall is the block on the other side.
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There are multiple reasons for the variations in type, quality, and quantity in minerals, such as:
- place of formation, on the surface, or inside the ground and how deep inside.
- pressure; extremely important for the structure of the minerals as well as the mixing of mineral types.
- temperature; similar to the pressure, in fact in combination with it, affects the structure of the minerals.
- tectonic activity and volcanic activity; cause the other factors and are also responsible for the quantity of minerals.
The answer is 0/40 this is because you can have 40 cards when they are numbered from 1-50
