What is the difference between plant cells and animal cells
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Which of the following is a way that minerals are used? a. industry construction technology d. all of the above

Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions