Answer:
A thin layer of gas called ozone high up in the atmosphere filters out these dangerous rays. The atmosphere also helps to sustain life of Earth. It provides oxygen for humans and animals to breathe, and carbon dioxide for plants.
Explanation:
Answer:
G
Explanation:
Burning non-renewable resources to generate electric power is extremely bad for the environment. This has been done in the past and continues at an even greater rate since the Industrial Revolution.
Although the Green Revolution is slowly replacing coal and petroleum with renewable resources, the large scale extraction and consumption of petroleum products has no historical precedent and the resources cannot be replaced.
It is false that a divide separates river systems that travel in the same direction.
That all the continents fit together and that animals were found in areas they could not survive.
