Question

common cold in human is caused by​

Answer 1

Answer:

by the workbook notes and chemistry and biochemistry and molecular biology and chemistry and biochemistry and molecular biology and chemistry and biochemistry and molecular biology and chemistry and biochemistry and molecular biology and chemistry and biochemistry and molecular biology and chemistry and biochemistry and molecular biology and chemistry and biochemistry and molecular biology and chemistry and biochemistry and molecular biology and chemistry and biochemistry and molecular biology and chemistry and biochemistry and molecular biology and chemistry and biochemistry and molecular biology and chemistry and biochemistry and molecular biology and chemistry and biochemistry

Answer 2

Answer:

it can be caused by some viruses or by allergies