The rate constant for the beta decay of thorium-234 is 2.876 x 10 -2 / day. What is the half-life of this nuclide?
a. 48.19 days
b. 1.220 days
c 0.693 days
d. 24.10 days

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

Displacement is the slope of a velocity vs. time graph a. true b. false

What’s the theoretical yield of solid lead