From a physiological standpoint, the best breathing technique requires the lifter to inhale when lowering the weight and exhale when lifting the weight.
a) true
b) false

True.

Explanation:

Respiration may be defined as the process of exchange of the oxygen and carbon dioxide between the body and the environment. The gaseous exchange depends on the partial pressure of the gases.

Different breathing techniques are used by the sportsman according to their exercise. The best breathing technique that are used by the lifters is the inhalation of the oxygen when lowers the weight. The air must be breathe out when lift the weight.

Thus, the answer is true.

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.