Answer:
The year the Greek city of Helike disappeared is -⅕ times the year the US Civil War ended. Let w represent the year the Civil War ended.
Explanation:
Answer:
Shows longitude lines as parallel
Explanation:
It was used to help sailors navigate the globe, but it becomes warped near the poles
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
What in the world are you talking about
