One way in which the study of populations ( human populations - I assume) affects us is that they can help predict the population size in the future and prepare us for it. For example, if we see that the population is decreasing, a country might want to consider supporting child-bearing or immigration to avoid the problem of too many people receiving pensions but not paying taxes.
Answer: A) switch from crops to livestock.
Hope this helps, sorry if I got this wrong.
Answer:
Most erosion – the breakdown and movement of soil and rock – in the world is caused by wind, water and gravity. The effect of soil erosion on agricultural land is bidirectional: Humans can be a cause by exposing soil to natural forces, but wind and water can independently cause erosion.
Explanation:
Potable Water is tested and treated industrially. Thus, Potable Water is expensive. Therefore, Access to potable water is very limited by money.
<h3 /><h3>What is potable water?</h3>
Potable water is the water, that is tested and safe for drinking and cooking arrangements. Water is tested and treated industrially.
Thus, Potable water is expensive.
Therefore, Access to Potable water is very limited by money.
To learn more about Potable water, refer:
brainly.com/question/26104890