Pretty sure the answer would be C, because you need the warm and cold air to mix.
Answer:
Its people would leave and migrate to other locations
Explanation:
Those areas where amount of precipitation having less than 8 inches, these areas are the arid regions. In these areas, water is present in very low amount which is not sufficient for the needs of high population. Minimum agricultural should be done because planting and growing of crops need a lot of water so most of the people migrate to other regions where water is present in large amount.
15. What's the requirement of every single natural process on Earth?
answer: Energy source
The importance of fat in the diets of our ancestors was mainly a result of its energy-storing properties.
Option B
Explanation:
Earlier ancestors or say, hominids ancestor were at the inception of the evolutionary world developed a trend on eating whatever they could find. The ancestors are believed to be scavengers rather than hunters as the evolutionary and nutrition biology suggests.
They had to travel and work for the food and as they were scavengers, it was not guaranteed to have food on a daily basis, so the fat has energy storing properties and for which its importance was realized in the diet. Later when they became hunters, protein became more important in their diet.