Why is nuclear power considered to be a clean source of energy?
Nuclear power is regarded as a clean source of energy because it doesn’t produce (greenhouse gases, harmful waste products, enough energy) or (too much energy, helpful waste products, air pollution)

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -

Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?

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