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2 years ago

How do the nutrients in soil cause problems when erosion relocates the soil to ponds or lakes?

Biology

2 answers:

Alchen [17]2 years ago

8 0

Answer:

Algae Blooms

Explanation:

When soil is eroded and taken to other locations, the nutrients it carries are taken with it. If these nutrients make their way to ponds or lakes, they can support rapid reproduction in algae, creating algae blooms that can damage local ecosystems.

Also I took the quiz. I hope this helps :)

Aneli [31]2 years ago

5 0

The nutrients in some soils could be toxic to microorganisms/fish in those ponds or lakes.

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Answer:

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Explanation:

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2 years ago

Name THREE products in the food industry that are produced by biotechnology

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3 years ago

How is enthalpy used to predict whether a reaction is endothermic or exothermic?

Radda [10]

Answer:

$329.48 KJ/mol$ heat is released by the combustion of $2 mol$ of methane

Explanation:

The value of enthalpy determines whether the reaction is exothermic or endothermic. If the enthalpy change is positive, then the reaction is endothermic (heat or energy released) and if the enthalpy change is negative then the reaction is exothermic (heat or energy absorbed).

$2CH_4(g)+4O_2(g) => 2CO_2(g)+4H_2O(g)$

$\Delta H \ reaction=[ 2(\Delta HfCO_2)+ 4(\Delta HfH_2O)]-[2(\Delta HfCH_4)+4(\Delta HfO_2)]$

= $2 ( -(393.5 KJ)/mol)-[2( -74.6 KJ/mol)+4(-241.82 KJ/mol)]$

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$= -787 KJ/mol+1116.48 KJ/mol$

$=329.48 KJ/mol$

In this question, the enthalpy of formation has positive value and hence the reaction is endothermic in which the heat is released.

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3 years ago

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2 years ago

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How are the testes and ovaries similar? A. Both produce sex cells. B. Both connect internal reproductive organs to the exterior.

Bess [88]

Ans.

Testes and ovaries are male and female reproductive organs, respectively. These organs are similiar as testes produce male gametes or sperms by the process of spermatogenesis and ovaries produce female gametes or ova by the process of oogenesis.

These gametes fuse together to form zygote that develops into a multicellular organism. Thus, the correct answer is 'option A). both produce sex cells.'

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3 years ago

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