What is the density of a block with a mass of 36 g and a volume of 9 cm3? A. 45 g/cm3 B. 27 g/cm3
C.4 g/cm3
D. 0.25 g/cm3

and after water is usually warmed by the sun the water temperature raises and then evaporates .

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.