About how long does it take for the reaction to reach equilibrium in this concentration versus time graph? А
0.5 second
B.
1.5 seconds
с.
2.5 seconds
D.
4.5 seconds

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

Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?