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3 years ago

Describe how differences in water temperature and salinity affect deep water currents.

1 answer:

4 0

When the water molecules of the ocean become heated, they expand. ... Since warmer water thus can hold more salt and other molecules than cold water; it can have a higher salinity. To relate this to ocean currents, the higher the salinity of ocean water, the more dense it becomes. THIS IS NOT FROM MY OWN WORDS, IF YOURE TYPING THIS DOWN PLEASE REPHRASE IT A BIT!! :)

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How do rock types contribute to the rate of weathering?.

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2 years ago

In what ways do you and your family contribute to environmental change and how do you work to decrease your impact.

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3 years ago

Complete the square to rewrite the following equation. identify the center and radius of the circle. you must show all work and

insens350 [35]

The center of the circle is the point (-2, 3) and the radius is 3 units.

<h3>How to identify the center and radius?</h3>

Here we have the equation:

$x^2 + 4x + y^2 -6y = -4$

We can rewrite it as:

$x^2 + 2*2x + y^2 - 2*3y = -4$

Now, we can add and subtract 4 and add and subtract 9, so we get:

$x^2 + 2*2x + y^2 - 2*3y +4 - 4 + 9 - 9= -4\\\\(x^2 + 2*2*x + 4) + (y^2 - 2*3*y + 9) - 4 - 9 = -4\\\\(x + 2)^2 + (y- 3)^2 = 9 = 3^2$

So the center of the circle is the point (-2, 3) and the radius is 3 units.

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2 years ago

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2 years ago

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2 years ago