Why got white theme and black theme at settings, what are those used for?

Photons with the highest energy have the longest period

Identify the type of heat transfer occurring when chocolate melts in your hand

The ideal gas model is valid if which of the following conditions is true? the gas density is low. the gas density is high. the temperature is low. the temperature is high. the gas density and the temperature are low. the gas density and the temperature are high. the gas density is high and the temperature is low. the gas density is low and the temperature is high.