Answer: <span>Almost every type of bacteria has become stronger and less responsive to antibiotic treatment when it is really needed.
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Answer:
Mammals undoubtedly play an important role in ecosystems by providing essential services such as seed dispersal, pollination and regulating insect populations, and reducing disease transmission [20–22] and there is some evidence that some groups act as indicators of general ecosystem health [23].
Explanation:
Law of conservation of mass states that overall mass can neither be created nor destroyed. It means, that mass in left hand side & right hand side of the reaction would always remains constant
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<span>Living things respond to stimuli in the environment.</span>
