Where are you most likely to build up static electricity? a.) on a concrete sidewalk on a dry day. b.) in a rain forest. c.) on a nylon carpet in a dry area. d.) on a nylon carpet in a hotel by the beach.

Which of the choices below is one of the primary gases found in the atmosphere? a. helium b. carbon dioxide c. nitrogen d. argon

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?

This is the number of complete movements of a wave per second.