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Keith_Richards [23]
3 years ago
10

What empirical evidence has led us to believe in the theory of plate tectonics?

Physics
2 answers:
Alika [10]3 years ago
4 0
The answer is believed to be C because the evidence is from fossils and glaciers.
san4es73 [151]3 years ago
4 0
The answer is D because if there are tropical fossils in Antartica that means that the continents were once together, which proves plate tectonics because that means plate tectonics moved the supercontinent (Pangea) apart.
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Melanye and Kaitlynn were traveling on a train for 6 hours. Over that time the train was at an average velocity of 70km/hr west.
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IT IS NOT PHYSICS!! ITS PSYCHOLOGY!!!!
8_murik_8 [283]

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disease are carried by the blood

4 0
3 years ago
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Two trucks with equal mass are attracted to each other with a gravitational force of 5.3 x 10 -4 N. The trucks are separated by
HACTEHA [7]

Answer:

7327 kg or 7.3 tons

Explanation:

We have Newton formula for attraction force between 2 objects with mass and a distance between them:

F_G = G\frac{M_1M_2}{R^2}

where G =6.67408*10^{-11} m^3/kgs^2 is the gravitational constant on Earth. M = M_1 = M_2 is the masses of the 2 objects. and R = 2.6m is the distance between them.

F_G = 5.3*10^{-4}N is the attraction force.

5.3*10^{-4} = 6.67408*10^{-11}\frac{M^2}{2.6^2}

7941265 = \frac{M^2}{2.6^2}

M^2 = 53682948.76

M = \sqrt{53682948.76} \approx 7327 kg or 7.3 tons

3 0
4 years ago
2. Our solar system is made up of the Sun, 8 planets, and other bodies such as
Pie
It’s 25 because I already took the testing
8 0
3 years ago
As 390-g of hot milk cools in a mug, it transfers 30,000 J of heat to the environment.
stiks02 [169]
Q = m.s.Δt
Δt = Q /m.s
Here, Q = 30,000 J
m = 390 g
s = 3.9 J/g C

Substitute their values, 
 = 30,000 / 390 *3.9
 = 30,000 / 1521
 = -20 C (approx.)  [-ve sign 'cause temperature is decreasing ]

In short, Your Answer would be Option D

Hope this helps!

7 0
3 years ago
Read 2 more answers
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