Answer:
Sensory receptors are primarily classified as chemoreceptors, thermoreceptors, mechanoreceptors, or photoreceptors.
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The answer is number 2: Use more efficient irrigation techniques. This is because, right now, water is wasted everywhere by inefficient irrigation; many plants are overwatered. By using more efficient irrigation techniques like drip irrigation, people could save a lot of freshwater.
Darwins theory was accepted because his seemed the most realistic along with the most evidence and logical proof.
