Solve for z. got this question wrong and don't know why.

Which is a possible result of higher air temperatures caused by global warming? a. increase in sea level b. freezing of polar ice caps c. rapid evaporation of water in the soil d. flooding of low-lying coastal areas

Which country is currently the most populated country in the world? a. india b. china c. mongolia d. indonesia

Asegment whose endpoints are points on the edge of the circle are whatps: i ment to put this under geometry i apologize ; ;