Answer: I and II only
Explanation:
Cover crops are planted in order to protect the soil when the main cash crop is not being planted which means that they are not planted to be harvested and can be planted after the cash crop is harvested.
The two main purposes of cash crops are to protect the soil from erosion and to improve soil fertility. Their presence reduces surface runoff of soil when it rains and slows down rain before it hits the ground at force and splits soil.
Some cover crops are planted to improve soil fertility because they improve the level of nutrients in the soil and they can also be ploughed before they mature causing them to decay and add organic matter to the soil.
Answer:
Which of the following examples of human environment interaction is an example of modifying the environment rather than just adapting to it?
Building a hydroelectric dam to generate energy
<em>A hydroelectric dam makes changes on the geographical environment by cutting forests, affecting soil properties.</em>
three key benefits of the Amazon forest are:the Amazon helps maintain the water cycle by producing large quantities of rainfall every year the Amazon helps to stabilize the earth's climate and slow global warming by fixing seaboard to and producing 20% of the world's oxygen in the process.