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Kobotan [32]
3 years ago
7

50 points and brainleist

Physics
2 answers:
mafiozo [28]3 years ago
8 0

Answer:

We get non-renewable energy from sources that will run out or will not be replenished in our life times or in many, lifetimes.

Most non-renewable energy sources are fossil fuels like : coal, petroleum, and natural gas. Carbon is the main element in fossil fuels. For this reason, the time period that fossil fuels formed (about 360-300 million years ago) is called the Carboniferous Period.

Explanation:

Fossil fuels ,coal, oil, and natural gas, do substantially more harm than renewable energy sources by most measures, including air and water pollution, damage to public health, wildlife and habitat loss, water use, land use, and global warming emissions.

We don't really like using renewable like solar , wind , water etc I think it's due to the fact that they make life easier, and i think to process renewable energy takes time and money but it causes less harm so , see countries like China, Russia, and Japan . They are mainstays on all three lists. It's also worth noting the countries that are highly dependent on nonrenewable energy sources even though they do not consume as much.

But there is a new development as countries have started leading the way in using renewable energy .Countries like

Iceland. Iceland generates the most clean electricity per person on earth, with almost 100% of its energy coming from renewable sources that make the most of its unique landscape. ...

Sweden.

Costa Rica.

Nicaragua.

United Kingdom.

Germany.

Uruguay.

Denmark.

and surprisingly China

They may be the world’s largest polluter, but China is also the world’s biggest investor in renewable energy, with huge investment levels both at home and overseas. China now owns: five of the world’s six largest solar-module manufacturing firms; the largest wind-turbine manufacturer; the world’s largest lithium ion manufacturer; and the world’s largest electricity utility.

Morocco

Morocco is a country with an abundance of sunshine (up to 350 days a year), so it has wisely decided to invest heavily in solar powered energy production. The first phase of the world’s biggest concentrated solar plant recently opened in Morocco and in combination with their wind and hydro production facilities, is predicted to produce enough energy for more than one million years

USA

The United States of America has one of the world’s largest installed solar PV capacities and an installed wind energy capacity second only to China. But it is also one of the world’s biggest energy consumers, which tends to cancel out much of its renewable capacity. Nevertheless, if more attention was paid to renewables over fossil fuels, it has been estimated that the U.S. could reduce its emissions by almost 80% in only 15 years, without impacting on consumer electricity costs.

Kenya

In the past, Kenya has been forced to import electricity from neighbouring countries, but they are working hard to reverse this by investing heavily in geothermal energy production, which accounted for more than half their energy mix in 2015. They also have Africa’s largest wind farm, providing another 20% of their installed electricity generating capacity.

I hope it helps plz mark me brainliest:)

Elodia [21]3 years ago
6 0

Answer:

Because it makes our lives easier.

Explanation:

When we talk about nonrenewable resources, it's usually fossil fuels that derive from crude oil. After dividing the useless crude oil into different fractions, you get gases, petrol, kerosene, diesel, fuel oil and bitumen. Each fraction has their own unique purpose i.e: petrol as a fuel for cars.

We use plastic bags for our ease. They consist of a long chain of 'alkenes' that's called poly(ethylene). The long chain was made by smaller molecules from crude oil.

When these bags are burnt for disposal, they release toxic fumes. One being carbon monoxide.

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Moving the probe 1 cm towards the non-grounded electrode changes the value the potential from about 0.90 V to about 1.2 V. Expla
svp [43]

Answer:

-30 N/C

Explanation:

Since the potential changes from 0.90 V to 1.2 V when I move the probe 1 cm closer to the non-grounded electrode, the electric field is the gradient between the two points is given by E = -ΔV/Δx where ΔV = change in electric potential and Δx = distance of potential change = 1 cm = 0.01 m

Now ΔV = final potential - initial potential = 1.2 V - 0.90 V = 0.30 V

Since E = -ΔV/Δx

substituting the values of the variables into the equation, we have

E = -ΔV/Δx

E = -0.30 V/0.01 m

E = -30 V/m

Since 1 V/m = 1 N/C.

E = -30 N/C

So, the average electric field is -30 N/C

6 0
3 years ago
A 0.2 kg hockey park is sliding along the eyes with an initial velocity of -10 m/s when a player strikes it with his stick, caus
babunello [35]

Answer:

The impulse applied by the stick to the hockey park is approximately 7 kilogram-meters per second.  

Explanation:

The Impulse Theorem states that the impulse experimented by the hockey park is equal to the vectorial change in its linear momentum, that is:

I = m\cdot (\vec{v}_{2} - \vec{v_{1}}) (1)

Where:

I - Impulse, in kilogram-meters per second.

m - Mass, in kilograms.

\vec{v_{1}} - Initial velocity of the hockey park, in meters per second.

\vec{v_{2}} - Final velocity of the hockey park, in meters per second.

If we know that m = 0.2\,kg, \vec{v}_{1} = -10\,\hat{i}\,\left[\frac{m}{s}\right] and \vec {v_{2}} = 25\,\hat{i}\,\left[\frac{m}{s} \right], then the impulse applied by the stick to the park is approximately:

I = (0.2\,kg)\cdot \left(35\,\hat{i}\right)\,\left[\frac{m}{s} \right]

I = 7\,\hat{i}\,\left[\frac{kg\cdot m}{s} \right]

The impulse applied by the stick to the hockey park is approximately 7 kilogram-meters per second.  

8 0
3 years ago
What is pitch related to?
Jlenok [28]
Pitch is related to frequency
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What relationship do you see between a star colour and temperature
Andrei [34K]

Answer:

Stars emit colors of many different wavelengths, but the wavelength of light where a star's emission is concentrated is related to the star's temperature - the hotter the star, the more blue it is; the cooler the star, the more red it is

5 0
3 years ago
Explain the differences between horticulture and agriculture.
sammy [17]
<h2><u>Hello </u><u>There</u></h2>

\tt{Difference \:  Between \:   \underline\red {Horticulture} \:  And \:   \underline\green{Agriculture}}

\text{\underline\red {Horticulture}}

The Cultivation of Fruits, Vegetables and Flowers for domestic and international markets are called Horticulture.

\text{\underline\green{Agriculture}}

It is science, art and occupation of cultivating the soil, producing crops and livestock. It is systematic and controlled use of living organisms and the environment to improve the human condition.

<h3>Hope This Helps</h3>
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2 years ago
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