Heat energy is also called energy. radioactive
electrical
ionic
thermal

The theories on the expansion of galaxies maybe re-examined to strengthen science should not be tested to strengthen science will weaken scientific knowledge if they change will become laws if they don't change

What function does a limb serve in each animal how are the limb bones of the four animal similar based on the similarities what can be inferred about the evolution of the poor animals

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic