Which term is used to describe a fact that has always been observed true but could at some future time not be observed as true.
a. hypothesis
b. theory
c. law

Which type of neuroglia is found outside of the brain?

What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen

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.