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Phoenix [80]
3 years ago
9

Chlorenchyma and aerenchyma are modified ____________ (a) phloem (b) sclerenchyma (c) collenchyma (d) parenchyma

Biology
1 answer:
Alexxandr [17]3 years ago
6 0

They are D) modified parenchyma

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Fill in the blanks correctly: _____________ carbohydrates are more beneficial to the body than ___________ carbohydrates because
Zolol [24]

The complete statement will read, Complex carbohydrates are more beneficial to the body than simple carbohydrates because these types of carbs contain more overall nutrients.

<h3>Complex carbohydrates, and simple carbohydrates</h3>

Generally, Complex carbohydrates, are a type of carbohydrates that are produced from sugar molecules that are held together in long complex chains.

While simple carbohydrates are a type of carbohydrates that are split down fast by the body of the consumer to be utilized as energy.

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3 years ago
Biologists would repeat the same investigation several times to _________.
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Answer:

obtain consistent data.

Explanation:

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3 years ago
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Which one of the following represents the correct order through which food passes in the alimentarycanal:
konstantin123 [22]

Answer:

D) Mouth, pharynx, esophagus, stomach, small intestine, large intestine.

Explanation:

Food is ingested in the mouth, passes through the pharynx that connects the mouth to the esophagus. It moves down the esophagus by parastalsis. It is further digested in the stomach, absorbed in the small intestine and indigestible material together with fibre is passed to the large intestine where its either digested by freindly bacteria or eliminated as waste by defecation.

8 0
3 years ago
Thank you for helping me
fiasKO [112]

tundra and  tropical rain forest

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How is enthalpy used to predict whether a reaction is endothermic or exothermic?
Radda [10]

<u>Answer:</u>

<em>329.48 KJ/mol heat is released by the combustion of 2 molof methane</em>

<u>Explanation:</u>

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)]

                            = -787 KJ/mol-[ -149.2 KJ/mol-967.28 KJ/mol]

                           = -787 KJ/mol+1116.48 KJ/mol

                                          =329.48 KJ/mol

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

3 0
3 years ago
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