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Serggg [28]
3 years ago
10

how does mining affect local populations? a. mining is a vital part of the economy of surrounding towns. b. mining introduces po

llution into local water supplies. c. mining disrupts local populations of flora and fauna. d. all of the above are true.
Biology
2 answers:
Pachacha [2.7K]3 years ago
8 0
D. all of the above are true. Mining<span> companies in some countries are required to follow environmental and rehabilitation codes, ensuring the area </span>mined<span> is returned close to its original state.</span>
Korolek [52]3 years ago
6 0

Answer: d. all the above are true.

Mining is a process of extraction of valuable minerals and geological materials like fossil fuels, ores from the sub and deeper surface of the earth crust. Country's economy is chiefly dependent upon mining as materials are economically valuable but it affects the local populations in both positive and negative sense.

Mining is a vital part of the economy of surrounding towns : The resources obtained after mining can be sold at high price and can be economically useful for towns.

It introduces pollution into local water supplies : The dust liberate after mining can pollute the nearby water body, hence local water supply will be polluted.

Disrupts local populations of flora and fauna : The mining process involves the removal of the local land form which can cause elimination, migration and  extinction of population of flora and fauna species.  Hence, the biodiversity of that area is lost.

Therefore, all these situations are true.  

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Recently, Jonesville County inhabitants have been embroiled in a controversy regarding the use of pesticides on crops grown in t
LenKa [72]

Answer:

Charles Ehler: incorrect.

Wendell Mullison: correct.

Robert Rodriguez: correct.

Judy Johnson:correct.

Explanation:

-Charles Ehler´s statement is incorrect because in order for a chemical company launch a new product it must pass several tests, that´s why products lasts years in proves, there are several tests such as the environment test that proves that the product doesn´t affect other species, or the human safety that makes sure the product doesn´t affect human health.Wendell Mulison´s statement proves to be correct with this as well.

-Robert Rodriguez´s statement  is correct because even though there are several tests that take care human healt there are just a few based on the damage pesticides produce to the land where are used.

-Judy Johnson´s statement is correct because science has proved that the resistant of parasites as being increasing with the products tat are used to combat them. Bacterias are an example of it, many drugs used against bacterias are now useless for some people because of the resistantthey have developed.

-One specie that can be taken as a pesticide can be the ground snail, that affects some plants and also may contain a parasite aclled "Hepatic fasciola" that affects sheeps and goats of farmers.

-One viable method to control pesticides is the sue of other species to control them, this specie has to be adequate to the land, for example, if a farmer wants to get rid of the ground snails because of the parasite and  the damage they do to their platings, they can introduce ducks to the farm that eat them without damaging the land with any kind of chemical product.

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Explanation:

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a marine biologist dredges up a small animal from the bottom of the ocean. it is uniformly segmented, with short, stiff appendag
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Given the characteristics mentioned in the question, the animal must be an annelid.

<h3>What is an annelid?</h3>

Annelids, (Phylum name annelida) segmented worms, characterized by having body cavities (or body coelom), mobile bristles (or setae), and bodies segmented by transverse rings. The body cavity is reduced in leeches, and the bristles are devoid of some specialized morphology, including leeches. An important phylum of invertebrates in the animal kingdom, Annelida, consists of more than 9,000 species divided into three classes: Sea worms (polychaetes) are divided into motile and sedentary or tube-dwelling forms. earthworms (Oligochaeta); and leeches (Hildinea). Annelids are coelomic and tridermal.

General characteristics of annelids are:

  1. They show organization at the organ system level.
  2. Your body is segmented.
  3. They breathe through their body surfaces.
  4. The kidney is an excretory organ. They have well-developed circulatory and digestive systems.
  5. Common names for more familiar annelids include earthworms, sandworms, annelids, bristleworms, and leeches.

To know more about annelid, visit:

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