A sample of oxygen gas is collected over water at 28°C. The vapor pressure of water at 28°C is 30.6 mmHg. If the total pressure is 101.3 mmHg, what is the partial
pressure of the oxygen?

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

Ineed to find the answer of this question because i dont understand it

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.