Define the following key term: fertility rate

Which country in the video has the highest population growth rate?

In the diagram, δgef and δhef are congruent. what is the value of x?

What's a recharge area? a. the part of an aquifer where groundwater meets a lake or stream b. the part of an aquifer where surface water reaches the water table c. the part of an aquifer that's located between two aquicludes d. the part of an aquifer that's located at a lower elevation