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baherus [9]
3 years ago
8

If a scientist found a sample of crystal, which had a large amount of

Geography
2 answers:
Law Incorporation [45]3 years ago
6 0

Answer:

I believe the lead would not matter to the age

strojnjashka [21]3 years ago
5 0

Answer:

crystal is the one with the related age

Explanation:

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Which step in the refining of crude oil involves distilling it into separate components or fractions?
iVinArrow [24]
The answer is separation
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2 years ago
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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
3 years ago
12. Shakespeare's tragedies tend to include a/an
pashok25 [27]
Shakespeare's tragedies tend to include A) incredible heroes.
8 0
3 years ago
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The earth is the ____ planet from the sun, which is just the right distance for life to utilize the sun’s power and energy
kkurt [141]

Answer:

earth is the 3rd planet from the sun

6 0
3 years ago
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A 1.5 kg book is lifted 2.0 m from floor .how much potential energy is acquired by the book?
Sholpan [36]

Answer:

A. 29.4 Joules

Explanation:

Given parameters:

Mass of the book  = 1.5kg

Height of lift = 2m

Unknown:

Potential energy acquired  = ?

Solution:

Potential energy is the energy due to the position of a body.

Mathematically;

       Potential energy  = mgh

m is the mass of the body

g is the acceleration due to gravity = 9.8m/s²

h is the height

     Potential energy  = 1.5 x 9.8 x 2

     Potential energy  = 29.4J

 

7 0
2 years ago
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