(Q).
If mines produce coal, then what produces coal? Answer choices: - mines - tar - energy - copper - cars - state - Oak - fire
(A).
mines

(Q).
If organic matter being buried under mud changes peat into coal, then what being buried under mud changes peat into coal? Answer choices: - a hydraulic system - space matter - mud shoes - Water expanding - Physical weathering - organic matter - flow of electrons - insignificant matter
(A).
organic matter

(Q).
If chrissospilias are formed by deposition, then chrissospilias are formed by? Answer choices: - deposition - pressurization - condensation - cells - decomposition - Water expanding - erosion - tiny polyps
(A).
deposition