How is a sodium ion symbol written
a. so+
b. so-
c. na+
d. na-

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

Write a paragraph at least 5 sentences “why all vaccinations should be mandatory”

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.