Which statement explains which thermometer is more appropriate to measure the temperature of a liquid at 47 oc.

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons