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Whitepunk [10]
3 years ago
5

In an effort to control the ongoing cholera epidemic affecting Haiti, health officials are

Biology
1 answer:
exis [7]3 years ago
6 0

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.

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A "tool" is defined as "an instrument or device that is held by the hands and used to perform a particular task or function." Th
Hunter-Best [27]

Answer:

Explanation:

The most primitive tool I used today was the hammer. The hammer is age long in the history of household tools. It is used to hit in nails into walls or woods.

The most advanced tool I have used today is the mobile phone. This is a tool of the 21st century which makes communication easier and faster.

6 0
2 years ago
Primary consumers and producers are two examples of ____________________ levels, a way to classify living organisms based on the
Anna71 [15]

Answer:

Hello!

Primary consumers and producers are two examples of <u>trophic</u> levels, a way to classify living organisms based on their source of nutrients.

Hope this helps!

3 0
2 years ago
PLEASE HELP I WILL GIVE LOTS OF POINTS !
pshichka [43]

Answer:

C.

mark me the brainliest if this helps

Explanation:

Simple diffusion is pretty much exactly what it sounds like – molecules move down their gradients through the membrane. Molecules that practice simple diffusion must be small and nonpolar*, in order to pass through the membrane. Simple diffusion can be disrupted if the diffusion distance is increased. If the alveoli in our lungs fill with fluid (pulmonary edema), the distance the gases must travel increases, and their transport decreases. Facilitated diffusion is diffusion that is helped along (facilitated by) a membrane transport channel. These channels are glycoproteins (proteins with carbohydrates attached) that allow molecules to pass through the membrane. These channels are almost always specific for either a certain molecule or a certain type of molecule (i.e. an ion channel), and so they are tightly linked to certain physiologic functions. For example, one such transporter channel, GLUT4, is incredibly important in diabetes. GLUT4 is a glucose transporter found in fat and skeletal muscle. Insulin triggers GLUT4 to insert into the membranes of these cells so that glucose can be taken in from the blood. Since this is a passive mechanism, the amount of sugar entering our cells is proportional to how much sugar we consume, up to the point that all our channels are being used (saturation). In type II diabetes mellitus, cells do not respond as well to the presence of insulin, and so do not insert GLUT4 into their membranes. This can lead to soaring blood glucose levels which can cause heart disease, stroke, and kidney

6 0
3 years ago
If I grow the same kind of bean seeds in the dark and in
Marat540 [252]

Explanation:

C. The growth of the plants.

5 0
2 years ago
Pls help!!! WILL GIVE BRAINLIEST!!!!
velikii [3]

Answer:

Silt

Explanation:

Silt is a granular substance that is like a sand and clay. Silt may occur as a mixed sediment with water and that water moves the molecules in a minimum speed rate.

7 0
2 years ago
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