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2 years ago

As countries develop do they have more or less of an ecological impact on earth

1 answer:

4 0

The least developed nations tend to have lower levels of industrial activity, resulting in lower levels of environmental damage. The most developed countries have found ways of improving technology and energy efficiency to reduce their environmental impact while retaining high levels of production

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If all the energy from a 103 W light bulb is emitted at 590.0 nm, what is the energy of each photon in Joule? Planck’s constant

sergejj [24]

Answer:

Energy of each photon is given by $0.0335\times 10^{-17}j$

Explanation:

We have given wavelength of light $\lambda =590nm=590\times 10^{-9}m$

Speed of light $c=3\times 10^8m/sec$

Plank's constant $h=6.6\times 10^{-34}j-s$

We know that energy of photon is given by $E=h\nu =\frac{hc}{\lambda }$

So energy is given by

$E=h\nu =\frac{hc}{\lambda }=\frac{6.6\times 10^{-34}\times 3\times 10^8}{590\times 10^{-9}}=0.0335\times 10^{-17}j$

8 0

3 years ago

When did the war in syria start ?

Anastaziya [24]

The war in Syria start on March 15, 2011.
hope that helps

6 0

3 years ago

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would you rather live in a large unplanned city or a large planned city?why?Explain.Support your answer.Tell the reason.In your

rusak2 [61]

Answer:

Explanation:

If I had to choose I would live in a large planned city. Each day would be similar, and I would not have to worry about things that could happen. In a planned community, everything is perfectly designed, so everything runs smoothly. This would be perfect for me since I like order. In an unplanned city things won't always go smoothly, and things can get messed. Up or ruined. I prefer to stay on the safe side and live in a perfect planned-out city.

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2 years ago

What is a direct democracy and what are its origins

igomit [66]

Answer:

Direct democracy or pure democracy is a form of democracy in which people decide on policy initiatives directly. The earliest known direct democracy is said to be the Athenian democracy in the 5th century BC, although it was not an inclusive democracy: it excluded women, foreigners, and slaves.

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3 years ago

Hail forms _______________.

Romashka-Z-Leto [24]

Answer:

I would say C.

Explanation:

It makes the most sence with the question.

Have an amazing day!

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8 0

2 years ago

Read 2 more answers