Answer: None, it would be 24 hours of darkness
Explanation:
This is because December 21st marks the astronomical start of winter for the northern hemisphere with the winter solstice. During this season the days are shorter than the nights, and as we get closer to the North Pole, we will have up to 24 hours of darkness.
That is why on December 21st, the sun is not visible for 24 hours and the next days (the closer it is to the north pole) it will stay that way. Therefore, the inhabitants of this area will have longer periods of darkness.
I can give you one:
One of the theories (in which i mostly believe in) is the one when every period of time, the climate changes. Now, we are in the warmth period, but after this period, there will be a cooler climate, and keeps repeating every while (think about the ice age)
Pretoria, Bloemfontein, Cape town
Air pollution is an example of a environmental hazard. Air pollution is caused by the burning of fossil fuels. Pollution is also caused by the gases released from factories and cars. Air pollution leads to many breathing problems, one being asthma. It can also cause global warming. Last, some of the harmful chemicals can cause acid rain. These are a few of the many effects of air pollution.
Russia has the most but there’s also iran, qatar, turkmenistan, usa, saudi arabia, united arab emirates, venezuela, nigeria, and algeria