D the mayans lived there before
Answer:
The discovery of penicillin is due to the Scottish biochemist Alexander Fleming. During the First World War, Fleming served as a military doctor and could not accept the fact that soldiers wounded after a successful operation still died - from the onset of gangrene or sepsis. After the war ended, Fleming returned to the UK and set out to improve the quality of Lister's antiseptic dressings soaked in carbolic acid. Soon he discovered a natural antiseptic in nasal mucus and called it lysozyme. But it turned out that lysozyme, like carbolic acid, does not penetrate deep enough into the wound, so internal suppuration continued. A few years later, in 1928, having accidentally discovered mold in a Petri dish, studying staphylococcal bacteria (which cause, for example, boils and tonsillitis), Fleming discovered penicillin.
Explanation:
They were originally built as tombs for their ancestors or loved ones.
Natural gas is a )a nonrenewable resource. Natural gas is defined as "a naturally occurring hydrocarbon gas mixture consisting primarily of methane, but commonly including varying amounts of other higher alkanes, and sometimes a small percentage of carbon dioxide, nitrogen, and/or hydrogen sulfide."
Dunkirk evacuation<span>. </span>Dunkirk evacuation<span>, (1940) in World War II, the </span>evacuation<span> of the </span>British<span>Expeditionary Force (BEF) and other Allied </span>troops<span>from the </span>French<span> seaport of </span>Dunkirk<span> (</span>Dunkerque) toEngland. Naval vessels and hundreds of civilian boatswere<span> used in the </span>evacuation<span>, which began on May 26.</span>