Answer:
natural selection is natural, selective breeding is not. Natural selection is when the best genes are passed down. Selective is when the best of an animal group are forced to mate
Explanation:
B!! Because it talks more about the question
The answer is D. because cause a climate change which put a hole in the ozone layer which cause heat radiation
Answer:
It stimulates the host cell to produce antiviral toxins, which are released continually into respiratory tract, to destroy the viral cells before they are recognized by the white blood cells.
Answer:
arcic tundra
Explanation:
Tundra has two types: arctic and alpine. The coldest one is the arctic one as it is located in the northern hemisphere. Its conditions are very cruel, very cold.
The temperatures of an arctic tundra can go from 10 to 20 degrees of Farenheight in the summer. In the winter, the temperatures can go to -50 degrees. Thundra biome is one of the coldest and the biggest on Earth. It is located in the Arctic circle, mostly.
