Because of the energy crisis in the 1970's
Slow economic growth,
economic deficency
a weak dollar
piling debts
dropping rates of stocks
etc.
hope this helps
Answer: Sundiata Keita.
Explanation: The mighty Mali Empire was created by Sundiata Keita. It was known for its progressive principles and riches, and it was the next big west African kingdom after Ghana.
I hope my answer is helpful
Answer:
Since plants convert carbon dioxide and grow because of the carbon it helps the plants and when that happends where there are plants there is more air produced for us to breath.It can also change the climate because of the levels of air that is produced by plants is in the atmosthphere.So they know because there is more air and because where there are plants there is more fresh air to breath.Also plants take the carbon dioxide and clean the carbon in the air causing us to breath good air.