Answer:
Yes, COVID-19 is spread through respiratory droplets, which typically travel about three to six feet and settle on surfaces, where they can live for a few hours up to several days, according to the World Health Organization. There is a risk of catching the disease by inhaling those particles, but there is a more significant risk of getting it by touching surfaces, such as desks, handrails, or doorknobs, where those droplets may have settled.
“The disease transmission goes from a cough or sneeze to a surface to your hand to your face, and that’s how people get infected,” said Paul Biddinger, director of the Emergency Preparedness Research, Evaluation, and Practice Program, Harvard T.H. Chan School of Public Health. “Good hand washing really matters. If people cough or sneeze into their elbow, that limits the spread of respiratory secretions.
A
Heating to 165°F destroys Salmonella, "the most heat resistant pathogen
Monomer is a single organic molecule that can be bound in a chain.
polymer is a chain or a series monomer
I think the correct answer is true. Landfills produce methane, which is a greenhouse gas and contributes to global warming. <span>Methane (CH4) is a powerful greenhouse gas that is 23 times more effective at trapping heat in the atmosphere than the most prevalent greenhouse gas. </span>
