Answer:
78 percent - nitrogen
21percent- oxygen
absorbs ultraviolet-ozonosphere
atmospheric weather-stratosphere
starts seven miles -troposphere
layer composed 0f layers- thermosphere
important fr radio wave-ionosphrere
trapping of heat- green house effect
Black south Africans who left the reserves lived on plantation
Answer:
The four major branches of Earth science are geology, meteorology, oceanography, and astronomy. Geology is the study of the geosphere, which is composed of Earth's rocks and minerals. Meteorologists study the atmosphere and how it functions with regard to weather and climate.
Explanation:
They could be way to farther or away from their son
they could have a fixed spin causing 1 side to be hot and the other to be cold
their star can be a white dwarf
like Jupiter the planet could not have a solid ground
solar flares could have ruined it's atmosphere
these are just some ideas you can branch off of. hoped this helped!:))