Tobacco leaves have sticky hairs on their underside, which is what makes them different from other crops: it’s these hairs that absorb the radon and prevent it from being washed away with water. Also, the type of…
Tobacco leaves have sticky hairs on their underside, which is what makes them different from other crops: it’s these hairs that absorb the radon and prevent it from being washed away with water. Also, the type of…