Albert Alexander was the first patient to be successfully treated on an infection caused by bacteria. He accidentally scratched a thorn of a rose on his face which badly infected him. One of his eyes had also been removed. He was given an infusion<span> of 160 mg of penicillin on February 12, 1941, and within 24 hours, his wounds begun to heal. He, however, died on March 1941. </span>
Well one way is how hurricane winds and such can blow birds off course. Another is how when trees fall down that forces animals to relocate.
Tin, because it has five energy levels with four electrons in the fifth level
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Explanation:
Tin has an electronic configuration as
1s2,2s2,2p6,3s2,...........4d10, 5s2,5p2
They have four valence electrons in their outer shell
Among the four diagrams given Tin is least reactive because the atomic radius of tin is largest among all four options. Due to large atomic radius electronegativity decreases and hence Tin is the least reactive element among Neon, Chlorine, gallium and tin.
The electronegativity of an element is its tendency to complete its octet by attracting electrons towards itself. Also tin is at the lowest place in the periodic table among all the four mentioned elements, its ionization energy is also low hence less electronegative and least reactive.
During mission planning, hazards are identified by the applying <span>mission, enemy, terrain, troops, time and civilians</span> framework.
This framework is usually referred to as METT-TC.
This framework is set to help military commander prioritize what they need to analyze during the planning of a mission.
Usually the civilian analysis is considered when the mission is to take place in an urban terrain.
Staphylococcus epidermis appears stained, whereas Escherichia coli appears stainless after the gram stain.
Staphylococcus is a Gram-Positive Bacteria i.e. it takes up the Gram stain.
Escherichia coli or E. coli is a Gram-Negative Bacteria i.e. it does not take up the Gram stain.
Gram Staining is done by immersing the bacterial sample in a solution of dye and then observing it under microscope after proper rinsing.
Gram Positive Bacteria are those bacteria that show a positive outcome on staining. Gram Positive Bacteria appear Stained after staining.
Gram Negative Bacteria are those bacteria that show a negative outcome on staining. Gram Negative Bacteria does not take up the stain and appear stainless.
The epidermis of Staphylococcus which is a Gram-Positive Bacteria appears to take up the stain whereas Escherichia coli which is a Gram-Negative Bacteria does not take up the stain.
Staphylococcus epidermis appears stained, whereas Escherichia coli appears stainless after the gram stain.
Learn more about Gram-Positive Bacteria here, brainly.com/question/13756030
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