National park's are meant to be a safe place for animals and nature where they can't be harmed or pursued for human use. The second question depends on your point of view but the natural environment does need to be protected.
Answer:
True
Explanation:
in December, sensible heat flux over North America truly ranges from 0 to minus 100 (-100) W/m**2 while over Australia sensible heat flux ranges 50 to 200 W/m**2 or greater.
I'm NOT 100% sure about this answer but I think it's the Lines of Longitude
Answer:
European settlers and Americans transformed the Great Plains from natural grassland to fields of corn.
Explanation:
The Great Plains are a vast portion of prairies with just a few trees. When worked correctly, it can be transformed into great fields for agriculture.