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Crazy boy [7]
3 years ago
5

YA'LL ARE SMART!!!! PLEASE HELP!!!!

Biology
1 answer:
Leokris [45]3 years ago
8 0

hi I just need brainliest answer

I think good insulator

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What part of the respiratory system do you think is most important? Provide a thorough explanation to support your answer.
Luden [163]

Answer:

The most important are the lungs, more precisely the alveoli.

Explanation:

Alveoli are structures of the lungs where gas exchange occurs. They allow oxygen from the air to pass into blood. Oxygen diffuses through the walls of alveoli into the capillaries that surround it. Oxygen is then bonded with the iron in red blood cells and travels to the heart. The heart then sends the oxygenated blood out to all the cells in the body.

4 0
3 years ago
Which diagrams shows reaction pathway that absorbs energy?
postnew [5]

Question:

<em>The diagram shows the potential energy changes for a reaction pathway.</em>

Part 1: Does the diagram illustrate an endothermic or an exothermic reaction? Give reasons in support of your answer.

Part 2: Describe how you can determine the total change in enthalpy and activation energy from the diagram and if each is positive or negative.

Answer:

Part 1: The diagram illustrates an endothermic  reaction as the products has a higher potential energy than the reactants do. There is a positive slope of the diagram and there is enough energy to meet the activation energy requirement.

Part 2: You can determine the total change in enthalpy and activation energy from the diagram by the potential energy of the reactants. If the reactants have a high potential energy, then the enthalpy is also high, and if the reactants have a low potential energy, then the enthalpy is low. You can determine if the diagram is positive or negative by knowing if its an endothermic or exothermic reaction. An endothermic reaction is positive because the products are higher than the reactants and a exothermic reaction is negative because the reactants are higher than the products.

8 0
3 years ago
Please Answer Quick!!! 2. How are the three mutated strands similar to each other?
insens350 [35]

Answer:

they are both long

Explanation:

i had this question yesterday

5 0
3 years ago
Read 2 more answers
what determines whether a mineral will show cleavage or break in irregular fractures? a. internal atomic structure b. hardness c
Evgen [1.6K]
<span>a. internal atomic structure</span>
7 0
3 years ago
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Leaves in areas of ___ humidity have a steeper concentration gradient so water diffuses out of the leaf
tresset_1 [31]

Leaves in areas of low humidity have a steeper concentration gradient so water diffuses out of the leaf fast.

<h3>What is humidity?</h3>

Humidity is used to determine the concentration of water vapour that is available in the air.

when the vapour is high there is high relative humidity when the vapour is low there is low relative humidity and water leaves the surface of leaf fast.

Therefore, Leaves in areas of low humidity have a steeper concentration gradient so water diffuses out of the leaf fast.

Learn more on humidity here,

brainly.com/question/5362026

8 0
2 years ago
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