OIt summarized the process of evolution.
The term calendar is for the whole term in school. What classes you would take, where they are at, what you're doing in each class throughout the term. The weekly schedule will be used for what assignments need to be turned into each class that week. The daily organizer will be what you're doing in each class that day. What you will be taking about what assignments you will be doing. It will also be for what classes you will be going through that day.
The correct answer is - D. A drought kills all the plants in an area, leaving bare land.
If there's such a big drought that will manage to kill off all the vegetation in an area and leave bare land behind it, than the land will be degraded in no time. Once the land is left without its natural protection that the roots of the vegetation provide, the land will be exposed to high rates of and erosion. The erosion will be very quick and the top layers of the soil will be moved away with every wind and rainfall that will appear. That will degrade the land to a very high degree, making it totally unusable and it will need lot of time to eventually recuperate.
Answer:
its the maximum amount that can be taken without depleting the resource or population over the long-term.
Explanation: