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KatRina [158]
3 years ago
10

What is magma sentence

Biology
2 answers:
pychu [463]3 years ago
7 0

Answer:

molten rock in the earth's crust. 1. The blazing magma was surging by us. 2. With the temprature cool, magma would be hardened into rock.

Svetlanka [38]3 years ago
6 0

Answer:

hot fluid or semi-fluid material below or within the earth's crust from which lava and other igneous rock is formed on cooling.

Explanation:

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3 years ago
A car traveling at 60 mph has how much more energy than a car going at 20 mph? K.E. increases by a factor of there is no increas
inn [45]

Answer:

Assuming that the masses of the cars are the same

9 times

Explanation:

Kinetic energy can be computed using the formula:

KE = \dfrac{mv^{2}}{2}

Where:

KE = Kinetic energy

m = mass

v = velocity

As you can see in your problem, the velocity of the the first car mentioned is 3 times faster.

Looking at the the formula, velocity is raised to two (2). So if we put it in terms of equations this is how it will look:

Let v = velocity of the slower car

Car 1: velocity = (3v)

KE=\dfrac{mv^{2}}{2}

KE=\dfrac{(m)(3v)^{2}}{2}

KE=\dfrac{(m)9v^{2}}{2}

The increase is by a factor of 9.

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3 years ago
What type of transport takes place when a protein allows an ion to enter a cell, but no additional energy is needed to make this
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<span>The answer is facilitated diffusion. It requires no energy because the ions are traveling down the concentration gradient. Facilitated diffusion is important for the regulation of ions in a  cell. It also enables ions to pass across the hydrophobic layer of the cell membrane composed of phospholipids.</span>




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A marsh has sufficient food to sustain no more than 50 adult mallards and 250 mallard
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