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3 years ago

13

What could have happened to Earth's ozone layer without the Montreal Protocol?

1 answer:

valentinak56 [21]3 years ago

4 0

Answer:

Plants all around the world would have withered and wilted without the Montreal Protocol, according to a study published this week in the journal Nature. Many of them would have died and disappeared altogether. They would have been zapped by the harmful UV rays piercing through the planets damage ozone layer.

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How many electron flow through a light bulb each second if the current flow through the light bulb 0.75A.The electric charge of

castortr0y [4]

Answer:

$n=4.68\times 10^{18}$

Explanation:

The current through the bulb, I = 0.75 A

We need to find the number of electrons flowing per second. We know that the electric current is given by :

$I=\dfrac{ne}{t}\\\\n=\dfrac{It}{e}\\\\n=\dfrac{0.75\times 1}{1.6\times 10^{-19}}\\\\n=4.68\times 10^{18}$

So, there are $4.68\times 10^{18}$ electrons flowing per second.

4 0

3 years ago

Darw a velocity time graph for body moving with uniform acceleration

Troyanec [42]

Answer:

constant gradient rising

Explanation:

7 0

3 years ago

A coin is resting on the bottom of an empty container. The container is then filled to the brim three times, each time with a di

Virty [35]

Answer:

Refractive index of liquid C > Refractive index of liquid B > Refractive index of liquid A

Explanation:

Let the depth of each section is h.

That means the real depth for each section is h.

Apparent depth is liquid A is 7 cm.

Apparent depth in liquid B is 6 cm.

Apparent depth in liquid C is 5 cm.

by the formula of the refractive index

n = real depth / apparent depth

where, n is the refractive index of the liquid.

For liquid A:

$n_{A}=\frac{h}{7}$ .... (1)

For liquid B:

$n_{B}=\frac{h}{6}$ ..... (2)

For liquid C:

$n_{C}=\frac{h}{5}$ ..... (3)

By comparing all the three equations

nc > nB > nA

Refractive index of liquid C > Refractive index of liquid B > Refractive index of liquid A

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3 years ago

Everything in the world has the same density. True or False?

JulijaS [17]

False
Nothing has the same destiny everything has their own destiny to follow

4 0

3 years ago

Science, who ever gets this will get a brainlest

anyanavicka [17]

The answer is A because there’s so much heat in the core and pressure because of all of the layers of the earth

6 0

3 years ago

Read 2 more answers