Which of the following is not an environmental challenge facing the african continent?
a.
reforestation
b.
desertification
c.
animal endangerment
d.
pollution

Explore the ways that boundaries influence identity, interaction and exchange. things to consider: what is the race/ethnicity. how easy is it to interact/trade with others.

An earthquake’s epicenter can be determined from arrival time data recorded on a(

Fill in the combination notes for the main idea shown