According to Raymond Cattell, what kind of traits are at a deep level of personality that are not apparent in observed behavior but must be inferred based on underlying relationships among surface traits?

If water vapor with the mass of 35.0 grams is cooled and condensed into water in a closed system such as a closed glass jar, what is the mass of the water after the water vapor completely condenses? a) 34.5 grams b) 35.0 grams c) 35.5 grams d) the mass cannot be determined without knowing the volume