What important kind of energy us to see the world that we live in

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

Pink fur (p) is dominant to purple fur (p) in hamsters. two heterozygous pink hamsters are crossed. what is the probability that these two parents will have an offspring with purple fur? 2/4, 1/2 or 50% 1/4 or 25% 3/4 or 75% 4/4 or 100% there is no chance for this type of offspring

What is the difference between a scientific hypotheses and a scientific theory?