What is the usefulness of the representation for drawing a strait line for a light ray without the arrow?

Which of the following is the best name for mgcl2

The law of reflection states that the angle of reflection is equal to the angle of

The law of entropy can also be called the law of increasing disorder, but this law seems to contradict the existence of living organisms that are able to organize chemicals into organic molecules. prepare for a class debate on the validity of the following arguments: a. living things are not subject to the laws of thermodynamics. b. the increase in the universe's entropy due to life processes is greater than the decrease in entropy within a living organism.