In which substance would heat transfer by conduction work best

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?