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Ivenika [448]
3 years ago
9

Room heaters are usually installed at the ground level

SAT
2 answers:
Trava [24]3 years ago
7 0

Answer:

As you know hot air Rises up and cold air settles down so room heater is placed near to the floor so that the heat can move uniformly from down to up.

So by heating the cold air at the bottom it is more efficient and creates an updraft and circulates the air better than if it were heated at the top.

saveliy_v [14]3 years ago
6 0

Answer:

Cold air sinks. So by heating the cold air at the bottom it is more efficient and creates an updraft and circulates the air better than if it were heated at the top.

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The mantle makes up ____ % of the Earth
iren2701 [21]

Answer: 84%

Explanation:

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3 years ago
¿a qué se refiere la frase ""el ciudadano es el eslabón clave en esta cadena de la sostenibilidad""?.
Brilliant_brown [7]

Answer:

La opción correcta a la cual se refiere la frase "el ciudadano es el eslabón clave en esta cadena de la sostenibilidad" es:

A. La viabilidad de una ciudad depende de sus habitantes.

Explanation:

6 0
2 years ago
How are bill gates and henry ford similar? check all that apply.
timama [110]

People do share some similarity. How are Bill Gates and Henry Ford similar is that;

  • They both became wealthy and successful.
  • They both helped better the lifestyles of others.
  • They both developed products that filled a human need or needs.

<h3>Who is an Entrepreneur </h3>

An entrepreneur is known as someone who  starts and runs a specific business.  They often works well alone.

As a business owner or entrepreneur, one must know that there are different ways to grow one's business. Bill Gates and Henry Ford are both great Entrepreneurs.

Learn more about entrepreneur  from

brainly.com/question/353543

6 0
2 years ago
what is the molarity of a solution prepared by dissolving 54.3 g of ca(no3)2 to form 355 ml of the solution?
Ratling [72]

Answer:

The molarity of a solution prepared by dissolving 54.3 g of Calcium nitrate  into 355 mL of water is 0.9881M

Molarity of solution is the ratio of the number of moles of the substance to the volume.

n is the number of moles of the compound

Mass of calcium nitrate = 54.3g

Molar mass of calcium nitrate = Ca(NO₃)₂ = 164.088 g/mol

Get the required molarity;

Hence the molarity of a solution prepared by dissolving 54.3 g of Calcium nitrate  into 355 mL of water is 0.9881M

Explanation:

:)

6 0
2 years ago
Paul, colin and brian are waiters. One night the restaurant earns tips totalling £77. 40. They share the tips in the ratio 2:3:4
EleoNora [17]

Answer:

$17.20

Explanation:

To easily get the ratio figured out between Paul, Colin and Brian, try seeing how much the ratio adds up to. With 2:3:4, there is a total of 9; so take 1/9th of 77.40 to get $8.60

You can convert these ratios to fractions, with Paul getting 2/9ths, Colin getting 3/9ths and Brian getting 4/9ths

As Brian is effectively getting double the amount of money, you can just take the amount Paul is getting in tips and use that as the reference for how much Brian is earning which is $8.60 x 2 or in this case, $17.20

6 0
2 years ago
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