Which hypothetical scenario would result in the moon not having different phases? A he moon takes twice as long as it does now to orbit the earth.
B Earth takes twice as long as it does now to orbit the sun.
C Earth has two moons.
D The moon always stays in one position relative to the earth and sun.

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.