2. Which of the following has the prime purpose of conveying information from one place to another through intervening media without wires?
a. radio
b. refrigerator
c. TV
d. none of the above​

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

Soil is made of air water organic material minerals weathered rock

What is the term for a government where power is carefully divided between a central government and several regional or provincial governments? a.) unified or central government b.) federal government c.) confederate government d.) republican government