Which of these describes conduction?

a. transfer of heat by the actual movement of warmed matter

b. transfer of heat between two objects that are touching

c. the process in which energy is released by molecules

d. the process in which energy is emitted by one object , transmitted through space, and absorbed by another

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

i need