Question

WHY SHOULD WE AVOID STANDING CLOSE TO A TUBERCULOSIS PATIENT WHILE HE/SHE IS COUGHING?

Answer 1

Since tuberculosis is a communicable disease, when a patient is coughing, it gets transmitted to a person standing close to him/her.

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Answer 2

what is the need to keep an appropriate distance between the seeds?

it prevents overcrowding of plants given from them this ensure sufficient sunlight in a nutrients and water for the growing plants from the soil