Answer:
Global warming
Explanation:
The environmental problems like global warming, acid rain, air pollution, urban sprawl, waste disposal, ozone layer depletion, water pollution, climate change and many more affect every human, animal and nation on this planet.
Answer:d) validity
Answer: Yes, because every cooking is better than others
chancre diseases is caused
A mechanical wave is a wave that is not capable of transmitting its energy through a vacuum.