Help me with it this please

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

Identify and describe the three ways that mutations affect organisms.

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line