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.

Which of the following accounts for someone who has had regular herpesvirus-mediated cold sore or genital sore flare-ups? a) re-infection by a closely related herpesvirus of a different strainb) re-infection by the same herpesvirus strainc) copies of the herpesvirus genome permanently maintained in host nucleid) copies of the herpesvirus genome permanently maintained in host cell cytoplasm

Which action occurs in the third stage of cell division? a. the nuclear material of cell is copied exactly. b. the nuclear membrane disappears. c. the cell forms two nuclei d. the nuclear material separates, with half moving to either side of the cell.

Which of the following is not covered in your emergency action plan