When a perfume bottle is opened, some liquid changes to gas and the fragrance spreads around the room. which sentence explains this?
a) gases do not have a definite volume.
b) the particles of gases are closely packed.
c) the force of attraction between particles in gases is very high.
d) gases are not matter.

How does the endocrine system affect the body's functions? o o o o it secretes enzymes directly into the bloodstream. it secretes hormones directly into the bloodstream. it secretes enzymes through ducts to the surface of organs. it secretes hormones through ducts to the surface of organs.

Practice or pre-exercise theories of play pose the idea that a. play provides children with an opportunity to practice adult activities. b. play is necessary to reenergize human cognition. c. children have too much energy and play will rid them of that energy. d. children are the link between animals and human beings.

When a patient becomes angry or embarrassed that they are being asked for payment, what you do to lessen the negative reaction?