A normal breath takes about 1.0 L of air. assuming that air has an average molar mass of 28.8 g, and that its density is 0.9 7G/L how many molecules of air do you take in with each breath

In pea plants, the allele for tallness (t) is dominant to the allele for shortness (t). in the cross between a tall pea plant and a short pea plant shown below, what is the probability that the resulting offspring will be tall? whats the percent

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

How can a mixture of salt water be separated into salt and water