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OLEGan [10]
3 years ago
12

An unknown disease or a well-known disease that suddenly becomes harder to control is called

Biology
1 answer:
Tom [10]3 years ago
6 0

The best answer is B.

Infectious diseases whose incidence has increased  in the past two decades or threatens to increase in the near future have been said to be "emerging''. Such diseases include the following:

1. Old  infections emerging as a result of antimicrobial resistance in known agents or break down in public health measures.

2. New infections resulting from change or evolution of existing organisms.

3.  Known infections spreading to new geographical areas or population.

4. Previously unrecognized infections in areas undergoing ecologic transformation.


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user100 [1]

ocean - Large bodies of water.

current flowing towards equator carry cold water from poles

current flowing towards away from equator carry warm water from poles

Example - Humidity

4 0
3 years ago
Which of the following is not a primary cause of eroding rock?
sasho [114]
The correct answer would be D, gravity. As moving water will cause rocks to erode as well as wind, and animal habitation.
6 0
3 years ago
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Upon centrifugation of an antibody screen procedure done by the gel system, the red blood cell agglutinates are dispersed throug
Katyanochek1 [597]

Answer:

The correct answer is option C. "2+".

Explanation:

A common procedure to test for the presence of antigens is to perform an agglutination reaction by performing an antibody screen. In an agglutination reaction that is graded  2+ the red blood cells start to be broken and medium-sized agglutinates are formed. In this reaction no red blood cells are free, only agglutinates are seen at the bottom of the microtubes. The characteristics of the reaction herein described concur with an agglutination reaction that is graded  2+.

6 0
3 years ago
You would like to know whether the progeny of a pair of mated fruit flies are distributed among the resulting four phenotypic cl
Effectus [21]

Answer:  

C. The differences between the observed and expected counts are too large to be attributed to chance.

Explanation:

The p-value of the statistic represents the chance that the observed count is based on luck or chance. When p value too high, the research can't be used since the chance that its not represent real condition are too high. Most researchers use 5% (0.05) as the cutoff of something called statistically significant. In this research, the p-value is 0.04 or 4%, so it is statistically significant.

3 0
3 years ago
What is the scientific name for the layer of gas that surrounds the Earth?
Serga [27]
<span>D. Atmosphere is the answer to this question 
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