Some ways in which communicable diseases spread are by: physical contact with an infected person, such as through touch (staphylococcus), sexual intercourse (gonorrhea, HIV), fecal/oral transmission (hepatitis A), or droplets (influenza, TB) travel through the air, such as tuberculosis or measles.
Answer:
B12 (cobalamin): Perhaps the most well-known of all the B vitamins, B12 is vital for neurological function, DNA production and red blood cell development. B12 is found naturally in animal sources like meats, eggs, seafood and dairy.
The answers are; TRUE
Pressure increase towards earth’s interior because the further deeper you go the higher the rock layers above that apply pressure towards the center of the earth by gravity. In addition , due to this increasing pressure, temperatures also increase because the two parameters are directly proportional.
Answer:
Sulfas = Sulfonamide
Sulfonamide is a group that is the basis of many groups of drugs.
Sulfa drugs work by binding and inhibiting a specific enzyme called dihydropteroate synthase. This enzyme is critical for the synthesis of folate, an essential nutrient.
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C. Permafrost
Permafrost is the layer beneath the "active layer". The active layer consists of soil that freezes and thaws every year. However, the requirement for permafrost is that it be frozen for two or more years consecutively. This is why permafrost exists in cold environments such as tundras.
