Increasing the surfactant concentration above the critical micellar concentration will result in: Select one:
1.An increase in surface tension
2. A decrease in surface tension
3. No change in surface tension 4.None of the above​

Automobile fuel efficiency is often measured in miles that the car can be driven per gallon of fuel (mpg). heavier cars tend to have lower fuel efficiencies (lower mpg ratings). which variable (weight or fuel efficiency) is most naturally considered the explanatory (predictor) variable in this context?

At what time will the interfering waves have an amplitudeof zero?

The total amount of energy contained in an object