The statement 2+2 = 4 would be considered a what in the science world hypothesis or law or theory

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

An example of a trait that would be considered acquired and inherited is a. a cleft chin b. muscle tone c. scar tissue d. freckled skin

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. albino x albino a) 1/4 chinchilla, 3/4, agouti b) 3/4 albino, 1/4 chinchilla c) all albino