Josh is designing a lab to separate a mixture of sulfur powder and iron filings. he looks at all the ways to separate a mixture but decides that one way would work the best on this mixture. what method should josh use?

Talc (french chalk) is the ingredient

The answer is c. 320 g

The formula is (nh4)2co3

Ans. : frostbite is when exposure to cold temperatures causes freezing to the skin or other tissues. it most commonly affects the hands, feet, and face. the longer areas are exposed to cold, typically the worse the frostbite. the water temperature used for rewarming a frostbitten part should be : (102 -105) f degrees.