Most animals nake energy available for cell activity by transferring the potential energy of glucose to ATP. This process occurs during

answer; ///i believe that the correct answer is (a) specialized cells)

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the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.