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nlexa [21]
2 years ago
10

What is a negative externality?

Biology
2 answers:
aksik [14]2 years ago
8 0

Answer:

it's c or D but I'm not sure which one it is gl

Alexxandr [17]2 years ago
8 0

Answer:

Negative externalities occur when the social cost of a good or service is higher than the private cost.

Explanation:

i got the wrong answer the first time lol

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The sound of a police siren that is moving away has (1) _____ wavelengths, and one that is approaching has (2) ______ wavelength
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FIRST one (shorter)

SECOND one (longer)
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3 years ago
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Two squirrel varieties (the Abert squirrel and the Kaibab
Katarina [22]

Answer:

B. Disruptive Selection

Explanation:

the population is divided into two distinct groups, or is disrupted so the gentics start to vary between the separted populations over time.

3 0
3 years ago
The researchers also found that after 150 days, the relative change in virulence of B. thuringiensis was greater than the relati
Debora [2.8K]

Answer:  pathogen–host coevolution

Explanation:

A major driver of evolution is Reciprocal coevolution between host and pathogen. Rather than pathogen, one-sided adaptation to a nonchanging host, high virulence specifically favoured during pathogen–host coevolution. In all of the independent replicate populations under coevolution, the pathogen ( B. thuringiensis ) genotype BT-679 with known nematocidal toxin genes of C. elegans and high virulence specifically swept to fixation but only some of them go under one-sided adaptation,

so relative change in B. thuringiensis virulence was greater than the relative change in C. elegans resistance is due to the elevated copy numbers of the plasmid containing the nematocidal toxin genes .

7 0
3 years ago
A grass snake living in northern England dies of natural causes. After a long period of time, its remains decay in the soil to b
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Answer: C.  Dead snake fossilizing underground.

A fossil fuel is the fuel that is formed by natural processes, such as anaerobic decomposition of dead plants and animals underground. These organisms and their remains remain deep inside the depth of numerous layers of soil resulting in fuel produced after millions of years. A carbon sink refers to a natural or artificial reservoir that stores and absorbs atmospheric carbon by physical and biological process. The formation of fossil fuel inside the earth is carbon sink.  

Dead snake will be added as a matter on which biological activity called as decomposition will take place. The organic matter of dead snake will be decomposed by microbes in the soil. The organic matter being the source of carbon, after decomposition will become the reservoir of carbon in the form of fossil fuel.

Therefore, dead snake fossilizing underground is the example of carbon source becoming a carbon sink.

4 0
3 years ago
What caused the massive erosion of the
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A Reduced sea turtle population due to monofilament nets

Explanation:

Hope this helped you

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