Answer:
Acid rain
Explanation:
Acid rain consists of sulfur and carbon dioxide. Acid rain can affect all living thing even non-living thing. It can kill many animals and plants. Many stone buildings can dissolve and it can corrode many metal structure.
Self generation
during these periods pepole were compelled to return to their hometown there they have known the real value of organic food and their importance.
It passes through Namibia, Botswana, South Africa and Mozambique.
Answer: 147 million km (happy to help)
