Ageologist is examining a new sample of rock. she is trying to categorize it based on its physical properties. which of the following characteristics cannot be identified based on her basic visual and tactile assessment?

Explanation:

The amount of energy in the photon determines its color; red for the lowest energy visible light, increasing energy through the rainbow of orange, yellow, green, blue, indigo, and finally violet for the highest energy visible light. Photons outside the visible spectrum may also be emitted, but we cannot see them.