pandemic is used to describe a disease that affects the whole country or the entire world. while epidemic is used to describe any problem that was grown out of control.
Answer:
a virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism.[1] Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea.[2][3] Since Dmitri Ivanovsky's 1892 article describing a non-bacterial pathogen infecting tobacco plants and the discovery of the tobacco mosaic virus by Martinus Beijerinck in 1898,[4] more than 9,000 virus species have been described in detail[5] of the millions of types of viruses in the environment.[6] Viruses are found in almost every ecosystem on Earth and are the most numerous type of biological entity.[7][8] The study of viruses is known as virology, a subspeciality of microbiology.
C- safety belts don’t try and prevent falls
Drinking water and going to sleep?
Answer:Whats is SCID?
Explanation: SCID is severe combined immune deficiency, a rare genetic disorder in which affected children have no resistance to disease and must be kept isolated from infection from birth.
