Probabilities are used in the quantum mechanical model of the atom because of heisenberg's uncertainty principle. this principle states that the and of an electron can be measured, but not simultaneously.

The pressure in a fluid is affected by which characteristics of that fluid

How can you use chemical equations to predict the products of the reaction you can carry out?

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