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3 years ago

Which compound is an example of an amino acid?

1 answer:

4 0

The compound of an amino acid there are 20 in total some of amino acid include serine, lysine, leucine, proline, and valine. Hopes this helps!!!!

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Calculate the total mass of water in kg on Earth's surface from the following data: total planetary surface area: 510,066,000 km

irinina [24]

Answer:

The total mass of water in on Earth's surface is $3.61419\times 10^{22} kg$ .

Explanation:

Total planetary surface area = T = $510,066,000 km^2$

Total land area of planet = L = $148,647,000 km^2$

Total water area of planet = W

T = L + W

$510,066,000 km^2=148,647,000 km^2-W$

$W=510,066,000 km^2-148,647,000 km^2=361,419,000 km^2$

Volume = Area × Depth

Volume of water on earth = V

V= $361,419,000 km^2\times 100 km^=36,141,900,000 km^3$

$km^3=10^{12} L$

$V=36,141,900,000 km^3=36,141,900,000 \times 10^{12} L$

Total mass of total water on the earth = M

Density of the water,D = 1 g/mL = 0.001 kg/0.001 L=1 kg/L

1 g - 0.001 kg

1 mL = 0.001 L

$D=\frac{M}{V}$

$M=D\times V$

$M =1 kg/L\times 36,141,900,000 \times 10^{12} L=3.61419\times 10^{22} kg$

The total mass of water in on Earth's surface is $3.61419\times 10^{22} kg$ .

4 0

4 years ago

2 What body of water has lost much of its red coral because of overfishing, overdevelopment, and pollution? A Atlantic Ocean B B

Paul [167]

Answer:

C the Mediterranaen Sea

Explanation:

The Mediterranean sea is the most overfished sea in the world

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2 years ago

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is it true that the ancient city of Pompeii and its sister city of Herculaneum were buried for almost 1700 years.

loris [4]

It is true indeed. Hit that thanks button if this helped. C:

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How much money does a homeless person make

BlackZzzverrR [31]

An homeless person makes between $15-$30 per hour, but it is usually closer to $15 per hour on average

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Which of the following best explains why a map scale is necessary?

quester [9]

The answer is it allows a user of the map to assess distortions of continent size and shape

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3 years ago