(Q).
Q: The mercury or alcohol in a common glass what changes its volume as the temperature changes? Choices: - calculator - compass - barometer - thermometer A:
(A).
thermometer

(Q).
Q: B cells and t cells are examples of what type of cells? Choices: - heart cells - cancer cells - skin cells - white blood cells A:
(A).
white blood cells

(Q).
Q: Removal of dams on rivers is an example of what? Choices: - evolution - reproduction - renewal - restoration A:
(A).
restoration