A cyclic change in the earth system repeats the same steps over and over, though not necessarily with the same results or at the same rate.
The Earth's climate cycles across a wide range of time scales, from years to decades to centuries to millennia. Different physical processes can start cycles at different scales. All of these layered systems and cycles working in concert determine the climate over any particular period.
Scientists examine Earth's cycles in an effort to understand how our world functions. Our planet's climates can vary as a result of modifications to Earth's cycles. Our understanding of how humans are influencing these cycles and how that can transform the world will grow as we learn more about them.
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Global life expectancy is the number of years people live on average in the entire world i believe
Answer: Please refer to Explanation
Explanation:
Woody Wetlands are wetlands where over 20% of the vegetation consist of forested plants or shrub vegetation. In other words over 20% are covered by trees and plants with wooden structures.
The Great Dismal Swamp is an example as it has quite a number of trees and shrubs. Check the attached picture.
Herbaceous Wetlands on the other hand are dominated by plants considered to be herbaceous in nature. This means that they dominated by grass and plants that are not very woody above the ground. The Florida Everglades are an example of this. I have also attached a picture. The Florida Everglades is the one that looks more like grasses.
Answer: False
Explanation: This is the definition of an exurb. An exurb is farther from the city than a suburb and has less population density.
In contrast, an edge city is built to cater to Industrial or economic activity. It is located in the suburbs and offers more space for commercial activities, so it is possible for companies to locate their headquarters or the less customer facing aspects of their business here. It also has a high number of recreational centers such as theme parks and shopping malls.
Answer:
D) Africa is home to less than 15% of the world's population and 68% of people with HIV live in Africa.
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