If an atom has 3 protons, 3 neutrons, and 2 electrons, what is the electrical charge of the atom?

In a cross between individuals of a species of tropical fish, all of the male offspring have long tail fins, and none of the females possess the trait. mating two of the f1 fish fails to produce females with the trait. explain the inheritance pattern of the trait.

Ecology can best be described as the study of what

What class of levers is shown in this image?