Aplant cell remains unchanged in shape or size when it is kept in a solution. what kind of solution is it? a) distilled water b) isotonic solution c) hypotonic solution d) hypertonic solution

Option: "B".

Explanation:

A plant cell remains unchanged in shape or size when it is kept in isotonic solution.

Isotonic solution is the solution having same physical conditions, same osmotic pressure outside and inside the cell.

Osmotic pressure of isotonic solution allows equal movement of cell components from inside the cell to outside of the cell through semi permeable membrane to maintain the state of equilibrium.

Hence, plant cell remains unchanged in isotonic solution.

significant amounts of nitrogen oxides, carbon monoxide, and other pollution

explanation:

passenger vehicles are a major pollution contributor, producing significant amounts of nitrogen oxides, carbon monoxide, and other pollution. in 2013, transportation contributed more than half of the carbon monoxide and nitrogen oxides, and almost a quarter of the hydrocarbons emitted into our air.

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