Which statement is true of pure substances? They can contain different types of atoms and molecules. They may contain one type of atom or one type of molecule. They can only contain one type of molecule. They can only contain one type of atom

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 is the mass of 0.46 mil of mgcl2

If two objects at different te,peraure are in contact with each other what happens to their temperature