Answer:
carbon dioxide
carbon in the Earth's atmosphere exists in two main forms: carbon dioxide and methane.
A psychical geographer would not study political system -rather the human geographer would study political systems.
A human geographer would study human cultures and relations - and among the options only one refers to human activities, namely:
b. the housing styles of the Baka people of the Congo
<span>c. limestone...............................</span>
The awnser is a because it is the best awnser
The Three Gorges Dam is located along the Yangtze River.
