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
I need the choices to be able to help you...
Answer:
How was Canada formed?
- The British Parliament passed the British North America Act in 1867.
what is the Canadian Shield?
- The Canadian Shield refers to the exposed portion of the continental crust underlying the majority of North America.
xXxAnimexXx
Happy Labor day!!
