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2 years ago

What is the best description of cirrus clouds?

Chemistry

2 answers:

miskamm [114]2 years ago

6 0

Option 1

Explanation:

Cirrus clouds are short, detached, hair-like clouds found at high altitudes

bezimeni [28]2 years ago

4 0

Answer:

i think that the best description of cirrus clouds is the the third option

Explanation:

i hope this helps you!

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WITH BRAINLIEST

TEA [102]

Answer:

i want go with option 2

Explanation:

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3 years ago

Which of the following instruments is used to measure air pressure?

bogdanovich [222]

Air pressure is measured with a barometer.

4 0

3 years ago

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The total volume of seawater is 1.5 x 1021L .Assume that seawater contains 3.1 percent sodium chloride by mass and that its dens

son4ous [18]

Answer:

Mass in kg = 4.7*10^19 kg

Mass in tons = 5.2*10^16 tons

Explanation:

Given:

Total volume of sea water = 1.5*10^21 L

Mass % NaCl in seawater = 3.1%

Density of seawater = 1.03 g/ml

To determine:

Total mass of NaCl in kg and in tons

Calculation:

Unit conversion:

1 L = 1000 ml

The volume of seawater in ml is:

$=\frac{1.5*10^{21}L*1000ml }{1L} =1.5*10^{24} ml$

$Mass\ seawater = Density*volume = 1.03g/ml*1.5*10^{24} ml=1.5*10^{24}g$

$Mass\ NaCl\ in\ seawater = \frac{3.1}{100}*1.5*10^{24} g=4.7*10^{22} g$

To convert mass from g to Kg:

1000 g = 1 kg

$Mass\ seawater(kg) = \frac{4.7*10^{22}g*1kg }{1000g} =4.7*10^{19} kg$

To convert mass from g to tons:

1 ton = 9.072*10^6 g

$Mass\ seawater(tons) = \frac{4.7*10^{22}g*1ton }{9.072*10^{6}g } =5.2*10^{16} tons$

5 0

3 years ago

What type of reaction does the following equation represent?

Ostrovityanka [42]

Answer:

B. double-replacement RXN

Explanation:

more specifically, this is a precipitation rxn.

6 0

2 years ago

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Science 6th grade please help me :)

Gnom [1K]

I’m pretty sure the answer is D :)

6 0

3 years ago

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