All atoms of the same element contain the same number of . A. electron cloud
B. neutrons
C. atomic mass
D. mass number
E. protons

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.

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

Why do oceanic plates tend to subduction when colliding with a continental plate