answer:
Agriculture is by far the single most important economic activity in Africa. It provides employment for about two-thirds of the continent's working population and for each country contributes an average of 30 to 60 percent of gross domestic product and about 30 percent of the value of exports
Answer:
Mercury
Explanation:
Mercury's temperature ranges from 427°C to -180°C
Also, I believe you posted this question in the wrong category, but that doesn't mean you shouldn't get an answer.
An ecosystem with wet soil, willow trees and orchids is likely a swamp. A swamp is actually a wetland that is forested. This kind of wetland supports a huge number of animals and plants. Most of the swamps are found near big rivers and they are dependent on the tide of the rivers. I hope this helps.