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Harrizon [31]
3 years ago
8

Q3. A bridge is built without expansion gaps.

Chemistry
2 answers:
goldenfox [79]3 years ago
7 0
Are you learning about atoms?
marshall27 [118]3 years ago
5 0

Answer:

Q3. A bridge is built without expansion gaps.

Explain what could happen to the bridge if the temperature became:

a) much hotter than the day it was built.

b) much colder than the day it was built.

P.s. (this is not a select option question, explain each according to the question)

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(IMAGE ATTACHED)<br>Help plssss this is due in 3 hours<br>​
Natasha2012 [34]

Answer:

Acceleration:

Speed/Time

Change in speed or velocity over a specific amount of time

Speed:

Distance/Time

Change in distance over a specific amount of time

Velocity:

Distance/Time

Speed in a given direction

3 0
3 years ago
A student uses a dye to change the colour of his tee-shirt. he fills a metal bucket with water. When the bucket is heated, what
Tanya [424]

Answer:

The particles begin to vibrate faster and more.

Explanation:

Adding heat to matter increases the energy, thus creating more movement. Eventually, the bucket will melt, turning to a liquid. While it is a sold, it still has particle movement, just not enough to break volume or shape.

8 0
3 years ago
Orygon
grigory [225]

if 105 grams burns completely

therefore

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8 0
3 years ago
Select the correct answer. One night, an ice storm strikes your town. When you go outside in the morning, your entire front walk
Sever21 [200]

Sucrose will be the most effective. Hence, option D is correct.

<h3>What is sucrose?</h3>

Sucrose is simply the chemical name for sugar, the simple carbohydrate we know and love that is produced naturally in all plants, including fruits, vegetables and even nuts.

When salt or sugar (a solute) is combined with water or ice (a solvent) and is evenly distributed, the freezing point is lowered.

(C_{12}H_{22}O_{11} → C_{12}H_{22}O_{11})

Hence, sucrose will be the most effective.

Learn more about sucrose here:

brainly.com/question/24214907

#SPJ1

3 0
2 years ago
. Guillermo was finding it difficult to walk up the steps to his family’s apartment. His doctor thinks that his cells might not
morpeh [17]

Answer:

Because oxygen is the combustion  fuel and glucose  is the substrate needed for synthesis of energy as ATPs during cellular respiration.Therefore Guillermo lacks enough energy as ATPs in her  body cells, especially skeletal muscles cells to complete the task of ascending the s steps.

For all the mitochondrial in cells(sites of energy production)   to receive needed glucose,and other metabolites needed for  energy synthesis; an efficient transport system is needed, so that  these materials   are available  immediately, in required amount. This system is called circulatory system.

And for the the supply of combustion fuel (oxygen) needed for the completion of the ATP synthesis mechanisms;  respiratory systems which  convey oxygen from the external environments to the circulatory system through breathing mechanisms, for distribution is needed.

Thus the  doctor needs to test both the circulatory and respiratory systems.

Explanation:

4 0
2 years ago
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