From the cosmic background radiation, what can scientist infer that the universe was like after the big bang a. very small b. hot c. the same average temperature as it is today d. cooler than it is today

Which property is used to identify the origin of an igneous rock? color density hardness crystal size

Rotenone is an insecticide that is toxic

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.