Why my baggage needs to go thru X-ray to go out of airport in Panama City? Is it OK to create a third prong ground from a cold water pipe, for a 2-wire circuit? Is staying in the first job for a long time (>2 yrs) a bad thing?
Proposition is a statement about observable phenomena(concepts) that may be judged to be true or false.When a proposition is so formulated for empirical testing ,we call it a hypothesis..As a declarative statement about the relationship between two or more variables, a hypothesis is of tentative and conjectural nature.
science noun [C/U]. âº the âsystematic âstudy of the âstructure and âbehavior of the ânatural and âphysical âworld, or âknowledge âobtained about the âworld by âwatching it âcarefully and experimenting: [U] Advances in âmedical science âmean that âpeople are âliving âlonger. [U] She âshows a âtalent for âmath and science.