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.
Answer:
gas: because oxygen is gas
I believe it can result in permanent brain damage
Answer:
Alexandra is experiencing <u>acute </u>pain.
Explanation:
Acute pain is a type of pain that is generally related to the damaged of soft tissue such as the one on Alexandra's big toe, in other words, the skin and muscles of her big toe. Acute pain is sharp and severe, but it goes away in a short time, which can vary from some minutes to some months.
Answer:
true
Explanation:
it is true because it is a part of healthy physical environment
