Sound travels through substances as energy is transferred from one particle to the next. The diagrams represent the particles of three substances: air (gas), water (liquid), and steel (solid).
Which substance would sound travel through the fastest?

An ecologist is studying the effects that a population of predators is having on a population of a prey. he used data from the field to produce this graph. which conclusion can draw from the graph?

'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.

Explain the significance of meiosis in sexual reproduction