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1 year ago

7

___________ is a dangerous concept because toxic chemicals concentrate as they pass up the food chain. group of answer choices

1 answer:

inysia [295]1 year ago

3 0

<u>Biomagnification</u> is a dangerous concept because toxic chemicals concentrate as they pass up the food chain. group of answer choices

What is biomagnification?

Biomagnification is defined as the accumulation of a particular substance in the body of the organisms at different trophic levels of a food chain.
An example for biomagnification is the accumulation of insecticide DDT which gets accumulated in zooplanktons.
Zooplanktons are those which consumes small fishes.

In the entire food chain or in the predators, the chemical toxic will gets increased.
It makes all the animals to get more impact and also it makes the food chain to the higher toxic.
Biomagnification can be also known as the biological magnification.
Also in plants, if a farmer sprays pesticides on the crops which enters the food chain from crops these pesticides enter into the organisms that feed on it.

Learn more about Biomagnification,

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Nitella [24]

Answer : The metal used was iron (the specific heat capacity is $0.449J/g^oC$ ).

Explanation :

In this problem we assumed that heat given by the hot body is equal to the heat taken by the cold body.

$q_1=-q_2$

$m_1\times c_1\times (T_f-T_1)=-m_2\times c_2\times (T_f-T_2)$

where,

$c_1$ = specific heat of unknown metal = ?

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$m_1$ = mass of unknown metal = 150 g

$m_2$ = mass of water = 200 g

$T_f$ = final temperature of water = $34.3^oC$

$T_1$ = initial temperature of unknown metal = $150.0^oC$

$T_2$ = initial temperature of water = $25.0^oC$

Now put all the given values in the above formula, we get

$150g\times c_1\times (34.3-150.0)^oC=-200g\times 4.184J/g^oC\times (34.3-25.0)^oC$

$c_1=0.449J/g^oC$

Form the value of specific heat of unknown metal, we conclude that the metal used in this was iron (Fe).

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