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abruzzese [7]
2 years ago
5

Is there a similarity between this investigation and the human body/diet? Explain.

Chemistry
2 answers:
Svetradugi [14.3K]2 years ago
7 0

Answer:

The same way the human body digest the food is similar to the way the clogged pipe may work, because as we consume the fats we eat into our body, it can get clogged and make it harder for the food to digest.

I hope this makes sense and works out

Len [333]2 years ago
3 0

Answer:

In a nutshell, diet refers to all the food that you consume through the day, on a regular basis. Nutrition, on the other hand, refers to the fuel that your body requires to function optimally and maintain good health. It refers to the right mix of nutrients.

Explanation:

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A man weighing 75 kg takes 5 minutes to reach a height of 5 m when he climbs a staircase. What is his power?
Naddika [18.5K]

Answer: B. 12.25 W

please give brainliest!

Explanation:

1) Force = Weight = 75 x 9.8 = 735 N

2.)Work = Force x Height = 735 x 5 = 3675 J

3.)Power = Work / Time = 3675 / (5 x 60) = 12.25 W

4 0
3 years ago
C (graphite) is used as a lubricant, whereas C (diamond) is used as an abrasive. Why is this?
zysi [14]

Answer:

Carbon atoms in graphite and diamond are arranged in different ways. Hence, the two allotropes of carbon have different physical properties.

Explanation:

Both graphite and diamond are both made of only carbon atoms. However, their physical properties differ from each other. Hence, they are called allotropes. Think about how these carbon atoms are arranged in each of the allotropes.

<h3>Graphite</h3>

In graphite, each carbon atom is bonded to three other carbon atoms. These carbon atoms will be located in the same plane. A chunk of graphite can contain many of these planes.

Each carbon atom has four valence electrons. Three of these electrons will be used in the bonds. The other electron will be delocalized. These electrons would flow between the sheets of carbon atoms. That keeps the sheets separate and allow them to slide on top of each other.

<h3>Diamond</h3>

In diamond, each carbon atom is bonded to four other carbon atoms. These carbon atoms will form a tetrahedral network.  

In graphite, there's a significant separation between two adjacent sheets of carbon atoms. The force between the two sheets is rather weak. When a piece of graphite is between two objects that move over one another, the layers in the graphite would also slide over one another. Since the attraction between two adjacent sheets isn't very strong, there wouldn't be much resistance. Hence the graphite acts as a lubricant.  

In contrast, most of the carbon atoms in a piece of diamond would be connected to each other. Unlike the sheets in graphite, in a diamond there are almost no moving parts. Also, the forces between neighboring carbon atoms are very strong. When an external force acts on a chunk of diamond, the carbon atoms would barely move. Hence, the structure appears to be very rigid. That gives diamond its abrasive properties.

4 0
3 years ago
_________feedback is a type of feedback in which a system is triggered to produce an output.
stiv31 [10]

Answer:

positive

Explanation:

3 0
3 years ago
Read 2 more answers
What problems may global warming cause?
koban [17]

Answer:

Global warming stresses ecosystems through temperature rises, water shortages, increased fire threats, drought, weed and pest invasions, intense storm damage and salt invasion, just to name a few.

Explanation:

Global warming stresses ecosystems through temperature rises, water shortages, increased fire threats, drought, weed and pest invasions, intense storm damage and salt invasion, just to name a few.

6 0
3 years ago
Sometimes a nuclide is referenced by the name of the element followed by the:
pentagon [3]

Answer:

electric charge

Explanation:

A nuclide is represented by the name of the element, preceded by the mass number (A) as a superscript on the left and the atomic number (Z) as subscript.

On the right, as a superscript is the electrical charge (e.g. +2) and is following the element name.

8 0
3 years ago
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