What negative effect occurs when there is a decrease in air quality?

What negative effect occurs when there is a decrease in air quality? faster evaporation of water in the soil. the drying out of fertile land, resulting in dust bowls. the melting of glaciers and polar ice caps.

Explanation:

:)

option a is correct i.e.

explanation:

in context to the membrane of nerve impulse, the outer membrane of neuron is semi permeable that is only sodium ions can pass through the membrane i.e. smaller ions can pass through the membrane while larger ions cannot pass through it.

the index of refraction of the second medium is higher. i just took the test trust me !