Ground-source heat pumps can be used to efficiently heat or cool a house. Describe some of the factors that should
be considered before installing such a system in a home.

The answer is c. 320 g

The answer is the first option just took the test

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.