I think (A) but let someone double check
Answer:
unitary system...............
Answer:
987.548 °C (1,810°F)
311 to 621 miles above earth
so 310 miles from top to bottom
The ozone layer protects us from the harmful emission of rays directly to the environment. Absent this added layer of protection we humans will be susceptible to various forms of cancer due to over radiation and eye problems such as cataracts. It is estimated that 10% of the world's population will face the consequences of ozone depletion this year and these numbers were continue to rise as time progresses.
