Humans have always wondered about the origin of life. In the past, people believed in...

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Biology

Humans have always wondered about the origin of life. In the past, people believed in spontaneous generation, or the theory that life could arise from non-living matter. This was partly because people did not understand why maggots seemed to emerge from rotting meat without any explanation. Then, in 1668, an Italian scientist named Francisco Redi disproved the theory of spontaneous generation by performing an experiment in which he covered a piece of meat, preventing flies from laying eggs there. Consequently, no maggots emerged. This experiment shows that A. all scientific explanations do not have to be based on experimental or observational evidence. B. all scientific explanations are definite and cannot be changed regardless of experimental results.C. all scientific explanations are useless because nothing in the world is definite. D. all scientific explanations are tentative and subject to change or improvement.

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Humans have always wondered about the origin of life. In the past, people believed in spontaneous generation, or the theory that life could arise from non-living matter. This was partly because people did not understand why maggots seemed to emerge from rotting meat without any explanation. Then, in 1668, an Italian scientist named Francisco Redi disproved the theory of spontaneous generation by performing an experiment in which he covered a piece of meat, preventing flies from laying eggs there. Consequently, no maggots emerged. This experiment shows that A. all scientific explanations do not have to be based on experimental or observational evidence. B. all scientific explanations are definite and cannot be changed regardless of experimental results.C. all scientific explanations are useless because nothing in the world is definite. D. all scientific explanations are tentative and subject to change or improvement.