hydrogen on the periodic table has an atomic number of 1 and a mass of 1. hydrogen -3 is a naturally occurring isotope of hydrogen. how many nutrons are in hydrogen -3

In what for do plants utilize nitrogen? why do they need nitrogen?

Why would a drug the damages capsids treat a viral infection

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.