The geosphere is the solid part of the earth. It has three components which are: the core, mantle and the crust. Thus, the mantle is a component of the geosphere.
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.
<span>can be desalinated and used for irrigation</span>
D. One that is the large in diameter and has high blood volume
