Ablizzard can form when certain physical factors combine with the presence of moisture in the atmosphere. which two factors combine with moisture to form a blizzard?

cold air and a high pressure system
cold air and a low pressure system
warm air and a high pressure system
warm air and a low pressure system

the answer would be 3

c

explanation:

the statements that apply here about binary star system are

"have stars that might appear to wobble"

"often have one star that is brighter than other"

a binary star is a star system consisting of two stars revolving around their common barycenter. systems of two or more stars are called multiple star systems.