A volume of carbon dioxide, CO2, at r. t.p. weighs 29.1 g. What is the mass of an equal volume of methane (CH4) at r. t.p.?

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.

Electrons are emitted

Answerhave membrane-bound organelles;