Air pollution, and ozone layer depletion<span>
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Answer:
Dalits
Explanation:
Dalits are the lowest "religious" and "social" class in India. Often, being called "untouchables".
The third one the second one and the first one
Answer:
The speed of the current climate change is faster than most of the past events, making it more difficult for human societies and the natural world to adapt. Now, day by day new technologies are invented, causing more pollution than in the past. It is important now because we are developing in very fast steps and something should be done.
The presence of U-shaped valleys is the best evidence that glaciers one covered an area. The correct answer is B, U-shaped valleys.
