Central nervous system. and automatically nervous system .it is mainly spinal cord system of the body.
When a cell is subject to a solution that is equal in water concentration as inside the cell, the movement of water via a process called osmosis will equalize and the solution is said to be isotonic to the cell. That means the amount of water entering the cell from the solution will equal the water exiting the cell; no net water movement.
Answer:
option B
Explanation:
igneous rocks are the rocks which are formed by the cooling of molten magma cooling can be on the surface or below the earth surface.
sedimentary surface is the rocks which are formed by the weathering or some chemical action upon the rock due to the passage of time.
metamorphic rocks are those rocks which are formed due to the high pressure and temperature acted on the rocks.
so, the best answer will be sedimentary rock
hence, the correct answer is option B
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