Yes earth’s climate change is normal and it has happened before
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The cost-benefit analysis done to investigate a proposed mine site would take into consideration the cost of environmental restoration after mining and the value of the ore to be extracted from the mine.
<h3>Cost-benefit analysis</h3>
This is an analysis done to assess the cost and benefits of actions.
For an action to be profitable, the benefits must be more than the cost.
In this case, for a mine site, the value of the ore to be extracted from the mine has to be more than the cost of having to restore the site after mining.
Every other cost can also come in but the two major ones are those highlighted.
More on cost-benefit analysis can be found here: brainly.com/question/3443140
Soil is important because it distributes plant species and provides a habitat for a vast range of organisms.
And, we protect it because it provides food, water, filters air and decomposes biological waste into nutrients for a new plant life.
Soil erosion is wears off a field's topsoil by natural physics of water.
