Question of the 8 grade

Based on this map, which statement about africa’s economic activity is most accurate? a) coastal countries are all members of opec b) economic development is more common with opec nations c) coastal countries have more access to productive resources d) economic development is more common above the sahara desert

Which factors add to the greenhouse effect and are caused by human activities?

Based on the information in the graph, what can you conclude about humans in the world in general?