Well, honestly I just want to learn biology. ( I STILL NEED HELP WITH ALGEBRA AND GEOMETERY STILL.)

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

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 -

Which type of stimulus do mechanoreceptors detect? sound pain heat light