Answer: C). Neurons
Explanation:
Neurons are the specialized cells present in the brain. These cells play an important role in processing and transfer of information generated as a response to stimuli. The neurons have specialized parts which recieves the signals from dendrites and send the signal to other neuron by axon. In this way transfer of information takes place from cell to cell.
Helium does not react with any other substances, thus the substance’s internal structure is never greatly affected and thus helium cannot have any chemical properties.
Answer:
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The answer is “irrigating crops”.