The right answer is B.
Cholera vaccination is only recommended for staff who have to intervene with patients in an epidemic situation. In all other cases, effective prevention is provided by good personal hygiene (washing hands) and food.
It is also important to know that this vaccine does not protect permanently: It protects only about 90% within 6 months, then to 50% within 3 years.
Answer:
precipitate
Explanation:
In case of an inorganic chemical reaction leading to precipitation, the chemical reagent causing the solid to form is called the precipitant. The clear liquid remaining above the precipitated or the centrifuged solid phase is the ' supernate' or ' supernatant'.
Answer:
Pressure is data on, well, pressure. Pain is data on damage being caused.
Answer:
When the temperature increases there is more evaporation. When there is more evaporation the humidity increases due to more water molecules in the air. More humidity means more precipitation.
Explanation:
C. The exact amount of nonrenewable energy resources is not currently known.