Answer:
· While changes in daytime length are relatively minimal in the equator throughout the year, the difference is more pronounced for places in higher latitudes. And when it comes to the north and south poles, the difference is literally night and day as the sun only rises and sets once a year there.he normal amount of solar radiation decreases from the equator to the poles. This is due to the low latitudes (near the Equator there are relatively large amounts of radiation throughout the year and in the high latitudes (near the poles), the angle of inclination of the rays of the sun next to the long periods of darkness in winter , resulting in a low amount of radiation in those areas.
Explanation:
<span>A: Crude oil, an important source of energy, is now extracted from beneath the ocean floor.</span>
<u>Answer:</u>
<em>Ensuring a sustainable supply of food for the world's fast growing population is a major challenge. Food production is one of the key areas that require action, alongside issues of food consumption, nutrition and food security.
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It is estimated that by 2050 the world's population will reach 9.1 billion (34% higher than today). Food production will need to increase by 70% to feed the larger and most likely more urban population.1 More food will have to be produced using less land. In addition water and energy will become limiting factors.
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Added to the challenge is that sustainable food products need to be nutrient-dense to allow people to have a diverse diet that contains a balanced and adequate combination of energy and nutrients to support good health.</em>
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Answer:A) Can form ozone and block some UV radiation
Explanation: Ozone layer is made up of three oxygen atoms,it is formed as a result of the break down of oxygen in the high atmosphere by Ultraviolet radiation from the Sun,it will break an oxygen molecule into two parts and this will now combine with oxygen molecule available in the atmosphere to form OZONE( combination of three oxygen atoms). Ozone layer is the shield which helps to reduce the direct impact of the Sun radiation from aversely affecting the Earth.
