False. All tobacco products can have serious negative consequences. For instance, cigars and pipes also enhance the risk of developing certain cancers or heart disease, while chewing tobacco increases the risk of mouth cancer. No form of tobacco consumption is without risk.
You should tell him to use a different knife.
RNA is genomes viruses. It caused thousands of death each year. For example Spanish Flu 1918 is the most deadly viruses. Because of deadly viruses that is why scientist have to make new fomulas to control over the flu. Every year, we should have a flu shots. However, there are several viruses have no medication for it, beside anitibiotics, for example, influenza A, B, C or H1 N1 or H3 N2. DNA is genomes of testing. For example, murder case, FBI, Lab, will collect all evidences to find out the killer. |CIS show} they are using DNA.