Water, dissolved ions, large water soluble molecules, smaller minute molecules, and proteins
False as there can be negative stimuli as well
Among the given choices, the correct answer is "to maintain normal room temperature". The temperature of the drug is crucial to be maintained at normal room temperature, specifically at around 15 to 30 degrees Celsius; otherwise, in colder temperatures, the drug will crystallize and will be rendered useless.
Organism like frog and toads. Maybe even all Amphibians.
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Well, natural variation provides the raw material for natural selection,which in turn leads to evolution
