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: true
Explanation: Time is very important when an unconscious person is not breathing. Permanent brain damage begins after only 4 minutes without oxygen, and death can occur as soon as 4 to 6 minutes later. Machines called automated external defibrillators (AEDs) can be found in many public places, and are available for home use. Hope this helps
<span>Fourteen mountains which are
higher than 8,000 meter (26,457 feet) above sea
level are referred to as “The Eight Thousanders”. All of them are in the
Himalayas and Karakoram mountain rage which is in Asia.</span>
<span>Himalaya also is the home to the highest
mountain on Earth “Mount Everest”. </span>
Answer: here please read the Difference between Natural gas and fresh air...
Explanation:
