<span>A common treatment for blisters is to place a "doughnut" shaped piece of foam over the blister.
a. true </span>
The chemical dioxin, has been linked to an increased risk of cancer
It released from the paper industrial waste. The International Agency of Research on Cancer ( IARC) and the World Health Organization ( WHO) has have found that large amount of chemical dioxin will be harmful to one's health and classified the substance as Carcinogenic.
