There are two, one for each year.
<u>Answer:</u>
Scientists say global warming is largely due to a natural cycle it is evident from the fact that humans once settled in areas now covered by glaciers.
<u>Explanation</u>:
- It is seen on the geological timescale that the Earth has had five major ice ages that occurred as a result of tremendous changes in the climate from time to time.
- It is now believed that another ice age is due and the climate change that we are getting to experience is an indication that the ice age about to occur soon.
- Thus, a few scientists sat that global warming is largely due to a natural cycle.
Answer:
Over 68 percent of the fresh water on Earth is found in icecaps and glaciers, and just over 30 percent is found in ground water. Only about 0.3 percent of our fresh water is found in the surface water of lakes, rivers, and swamps.
Explanation:
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The correct answer is A. 110GPa
Explanation:
Pressure refers to a force applied to a surface or object either by another object or factors such as the atmosphere. This is calculated considering the force applied and the area. Additionally, this factor can be measured using the unit gigapascals (GPa), which is more common in geography and related areas.
In this context, the lower mantle, which is the layer below the upper mantle has a pressure between 24GPa and 130GPa; and this is a high pressure if compared to the pressure in the surface. Thus, the estimated pressure in this zone is 110GPa because this is the only number that is between the range of pressure in this zone, while others show a higher pressure that is not found in this layer.
