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3 years ago

How do convection currents help form underwater mountains?

1 answer:

5 0

The convection currents are the ones that create the force that breaks up and moves the crustal plates on the surface of the planet. By moving the crustal plates, the convection currents contribute to the formation of different types of plate boundaries, including the divergent plate boundaries.

The divergent plate boundaries are the boundaries where two plates are moving away from one another because the convection currents are dictating that kind of movement from bellow them. As they move away from each other, they leave a gap between them, and the convection currents push up a lot of magma towards the surface. The magma cools of very quickly in the water, thus forming rocks constantly, rocks that little by little start to make a big mas, that eventually turns into an underwater mountain, or rather a mid-ocean ridge.

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Given that a circle has a radius of 4inches and then a radius of 12inches after it has expanded. Given that the formula for a ci

nlexa [21]

Answer:

Rate of change = 3π or 9.43

Explanation:

Given the following data;

Initial radius, R1 = 4 inches

Final radius, R2 = 12 inches

To find the rate of change;

First of all, we would determine the area of the circle.

Mathematically, the area of a circle is given by the formula;

Area of circle = πr²

For initial radius, R1;

Area of circle, A1 = πR1²

Area of circle, A1 = 4π square inches

For final radius, R2;

Area of circle, A2 = πR2²

Area of circle, A2 = 12π square inches

Now, we can find the rate of change;

Rate of change = A2/A1

Rate of change = 12π/4π

Rate of change = 3π (in terms of pie).

7 0

3 years ago

Which phenomenon occurs when the Sun crosses the plane of Earth’s equator

Vika [28.1K]

The sun appears to cross the plane of Earth's equator
when it reaches either one of the "equinox" points in the sky.

At those times, the lengths of day and night are nominally equal
everywhere (except at the poles), and the occasions are marked
as the beginning of Spring and Autumn.

7 0

3 years ago

What is the correct definition of "linear distance"?<br><br>

Papessa [141]

Answer:

distance and angle such that points equally distant from a fixed. point lie on a line and lines making a given angle with a fixed line pass. through a point. On account of this property we have called this. distance linear.

8 0

3 years ago

Read 2 more answers

What two canadian provinces border north dakota?

Free_Kalibri [48]

~Hello there!

Your questions: What two Canadian provinces border North Dakota?

Your answer: The two Canadian provinces that border North Dakota are:

1) Saskatchewan

2) Manitoba.

Hope this helps~

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3 years ago

What is an important difference between Western Europe economies and eastern urope exonomies?

mrs_skeptik [129]

The big difference between Eastern Europe and Western Europe is that Eastern Europe consists of countries that once belonged to the Soviet block, unlike the Western half. Economically, the Western Europe nations are much more advanced than the Eastern Europe nations. Western Europe outputs a lot more cash due to a larger free trade and more open economy as a whole.

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3 years ago