Anickle is about 2 millimeters thick, or 2/1000 of a meter. how many nanometers is this?

Compare and contrast physical changes with chemical changes.

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?

Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests. which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory