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kicyunya [14]
3 years ago
14

Which of these diseases can be spread?

Biology
1 answer:
-Dominant- [34]3 years ago
6 0

Answer:

Malaria is the correct answer.

Explanation:

The rest are all diseases that are not able to be spread, but malaria can be spread from person to person due to an infected mosquito.

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Two cities are separated by 200 miles. City X has an altitude of 122 meters and City Y has an altitude of 260 meters. Calculate
OleMash [197]

Answer: 0.69 m/ mile.

Explanation:

The altitude gradient between two cities X and Y = \dfrac{\text{Altitude of City Y - Altitude of city X}}{\text{Distance between two cities}}\times100\%

Given: Two cities are separated by 200 miles.

City X has an altitude of 122 meters.

City Y has an altitude of 260 meters.

The altitude gradient between two cities X and Y =

\dfrac{260-122}{200}=0.69\text{m/ mile}

Hence, the altitude gradient between the two cites = 0.69 m/ mile.

8 0
3 years ago
Explain an example why selective breeding is an example of biotechnology
lina2011 [118]
Example of selective breeding: Cows that produce lots of milk. Selective breeding to create more useful varieties of animals and plants is a form of biotechnology that human beings have used for thousands of years. Biotechnology includes any use of science or technology to alter the characteristics of a particular breed or animal.
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The image is an aerial photograph. What is the geological feature shown? A) a large fault on Earth’s crust B) the dry bed of an
valina [46]

sand dunes

because it is and sand dunes get deposited


7 0
3 years ago
Chemical changes
Dmitry [639]
Chage identity of a substance
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3 years ago
The sodium-potassium ion exchange pump_____________.
Dvinal [7]

Answer: option D

The sodium potassium ion exchange move sodium and potassium in opposite direction in electrochemical gradients.

Explanation:

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8 0
3 years ago
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