Science

the autumnal equinox starts what season and what will the effect be on day and night?

question 8 options:

spring and days get short and nights get longer

autumn and days get shorter and nights get longer

spring and days get longer and nights get shorter

autumn and days get longer and nights get shorter

Autumn and days get shorter and nights get longer  

Explanation:

Autumnal equinox starts with the Autumn season in Northern Hemisphere. On this day (usually between September 21 to 24), the sun crosses the celestial equator. Equal amount of sunlight falls in the hemispheres and thus, equal day and night occurs. Thereafter, the days get shorter and the nights get longer.

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affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.