It is done so that the soil of farms is not used for only one set of nutrients. It helps in reducing soil erosion and increases soil fertility and crop yield.
Answer: Antarctica
Explanation: According to NOAA.com "What we call the ozone hole is a thinning of the protective ozone layer in the stratosphere (the upper layer of Earth's atmosphere) above Antarctica that begins every September. Chlorine and bromine derived from human-produced compounds are released from reactions on high-altitude polar clouds."
At extreme latitudes, the midnight sun is usually referred to as polar day. That is in Winter.
C I think , I might b wrong
