What will most likely happen when stress is applied to an equilibrium reaction? A) The system will not respond to the stress.
B) The system will use catalysts to change its equilibrium.
C) The equilibrium position will shift to increase the applied stress.
D) The system will change its concentration to shift to a new equilibrium position.

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

i think that the answer is c