which correctly lists two characteristics of crystal faces that define crystal systems?\no angle and…

which correctly lists two characteristics of crystal faces that define crystal systems?\no angle and number\no number and color\no size and hardness\no size and angle

which correctly lists two characteristics of crystal faces that define crystal systems?\no angle and number\no number and color\no size and hardness\no size and angle

Answer

Brief Explanations:

Crystal systems are defined by geometric characteristics of crystal faces. The angle between faces and the number of faces are key geometric features. Color, hardness, and size are not defining characteristics for crystal - system classification.

Answer:

A. angle and number