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

C) that light travels in a straight line

Explanation:

Light travels in a straight line, that is why the light travels through the cards that are arranged in a straight line but also that is why light enters a room through the window and forms angles, you can see it at dawn when light enters a room throug a window it forms an angle, it forms shadows, because light travels in a straight line.

a plasma is a warm ionized gasoline consisting of approximately equal numbers of definitely charged ions and negatively charged electrons. the characteristics of plasmas are notably unique from the ones of ordinary neutral gases in order that plasmas are considered a awesome "fourth kingdom of remember."