Which best explains how a heat pump can heat a room? a. cold air from the house this move through pipes word absorbs thermal energy b. warm air from outside is pushed into the house and replaces the cold air c. combustion warms the air when chemical energy is transferred to thermal energyd. fuel is used to move a piston which pushes one errand to the house

A. cold air from the house this move through pipes word absorbs thermal energy

Explanation:

Heat pump is located in a refrigerator where the heat is extracted from certain objects and released somewhere else. When the refrigerant evaporates heat is absorbed from a hot body inside the fridge and as the refrigerant condenses heat is rejected behind the fridge where the condenser coils are located.

a. they are both space stations

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when [oh-] is 10-5  m, and [h3o+] is 10-9  m, the poh is 5 and ph is 9. again in both cases the sum of ph and poh is 14. however, the hydrogen ion concentration is not always going to be equal to exactly 1 x 10 raised to a negative number. for example, we skipped over the value of 2.0 x 10-7.