ALL OF THE ABOVE! All include human activity
Answer:
D). Turbidity, because a decrease in water clarity would indicate and increase in soil erosion.
Explanation:
The last option most aptly describes the direct effect of soil erosion i.e. 'turbidity' which would assist the students in discovering the impact produced by the construction project built on the river. The turbidity is characterized as the 'unit of measuring the transparency of a fluid or the state of being unclear and lesser sediments being disturbed' which <u>causes a significant fall in clarity of the water which signals that there has been a rise in erosion of soil after the construction of the project</u>. Thus, <u>option D</u> is the correct answer.
Answer:
Every economic decision has <u>many</u> trade-offs, but only <u>one</u> opportunity cost.
Explanation:
Every economic decision as well as every decision involves trade-offs as a there are many other options or choices of investments as there are many other ways to make use of the companies resources. However for businesses, and economics in general the opportunity cost is the alternative forgone which is a comparison between two items, such as the item of most value whose production is stopped due to the economic decision to manufacture an alternative product. As such for opportunity cost, there is a direct comparison between two items
Therefore, every economic decision has many trade-offs, but only one opportunity cost.
