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its science

Which of the following birds remained ancient looking in the miocene epoch? a. crows b. owls c. grouses d. none of the above

What effect does plate tectonics have an organic evolution

What causes an unsaturated fatty acid to have a different shape than a saturated fatty acid? o a. unsaturated fatty acids have more hydrogen atoms. o b. unsaturated fatty acids have double carbon bonds. o c. unsaturated fatty acids have more nitrogen atoms. o d. unsaturated fatty acids have single carbon bonds.