The "industrial heart" of europe is located in the
a. oder plain.
b. rhine basin.
c. swiss alps.
d. ruhr valley.

Based on this map, which statement about africa’s economic activity is most accurate? a) coastal countries are all members of opec b) economic development is more common with opec nations c) coastal countries have more access to productive resources d) economic development is more common above the sahara desert

Agricultural practices in the united states nearly led to the extinction of the peregrine falcon during the 1950s and 60s.

Find the area of the shaded region.