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3 years ago

How can volcanic ash change Earths surface ?

Chemistry

1 answer:

netineya [11]3 years ago

6 0

Answer:

well, it made volcanos grow larger and it developed land

Explanation:

Gases and solids injected into the stratosphere circled the globe for three weeks. Volcanic eruptions of this magnitude can impact global climate, reducing the amount of solar radiation reaching the Earth's surface, lowering temperatures in the troposphere, and changing atmospheric circulation patterns.

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Humans have the ability to change characteristics,or traits,of organism over time. What is this process called?

Vladimir79 [104]

Answer:

Natural Selection

7 0

3 years ago

What is the volume of 120mg of water

iVinArrow [24]

Answer:

560mg

Explanation:

120mg-560mg trust dude

7 0

3 years ago

when a number in scientific notation contains a significant zero, is that zero also significant in the expanded notation? give t

AlexFokin [52]

I believe you are referring zero as the exponent. <span>Any number (except 0) with exponent 0 is defined to mean 1.
</span>

For one thing, there is a rule:

<span> a^m/ a^m = a^m-m = a^0

</span>But (when a is not equal to <span>0),
</span>
a^m/ a^m = 1

Therefore, we must define a^0 as 1.

4 0

3 years ago

What is the value of R in the ideal gas law?

dybincka [34]

It’s option B 0.0821L.atm/mol.K

5 0

3 years ago

A sample of fluorine contains isotopes with different masses; F-19 and F-18. In the sample 94% of the

zalisa [80]

The relative mass of the sample : 18.94

<h3>Further explanation </h3>

The elements in nature have several types of isotopes

Isotopes are atoms whose no-atom has the same number of protons while still having a different number of neutrons.

So Isotopes are elements that have the same Atomic Number (Proton)

Atomic mass is the average atomic mass of all its isotopes

Mass atom X = mass isotope 1 . % + mass isotope 2.%

F-19 = 94% of the sample

F-18 = 100%-94%=6% of the sample

The relative mass :

$\tt = 0.94\times 19+0.06\times 18\\\\=18.94$

7 0

3 years ago