Find the volume of the radius of a cylinder pipe is 2 ft., and it’s length is 21 ft. ?

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

What is the problem with blowing up large asteroids?

Which of the following geographic terms could be applied to the countries of central america? a. isthmus b. canal c. peninsula d. island