Which activity will create tension in the legs?
a. stretching your legs before a run
b. standing for five minutes
c. pressing a car s accelerator pedal
d. squatting to pet a dog
c. pressing a car’s accelerator pedal will create tension on the legs?

a. stretching your legs before a run    

Tension can be defined as the ability of the object to be stretched. Surprisingly it can be shown up by some of the muscles and fibers of the human body. The tendons are the connective tissues which connects bones to bones and the ligaments are the connective tissues which connects muscles to bones.

Stretching your legs before a run is the correct option because on stretching the legs the tendons and ligaments muscles get stretched and a tension is created by this way.

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.

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.