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3 years ago

What currents are responsible for powering the movement of tectonic plates ? A. Platonic B. Tectonic C. Convection D. Plutonium

Physics

2 answers:

allsm [11]3 years ago

4 0

Convection currents are responsible for powering the movement of tectonic plates.

Ivan3 years ago

3 0

The currents responsible for powering the movement of tectonic plates is convection currents which occur in the mantle. As the hotter, less dense liquid rises it displaces the cooler more dense liquid which moves the tectonic plates out of allignment

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How does one get 8.0 A? The answer is D

ra1l [238]

I don't know why the answer is D , because I can't see the list of choices.

The only way to get 8.0 Amps is by making a serious mistake.

The current in the second picture is 4.0 Amps.

If the resistors are identical, then the effective resistance of

two resistors in parallel is 1/2 the resistance of each one.

The resistance in the second picture is 1/2 the resistance

in the first picture.

Current = (voltage) / (resistance)

Cutting the resistance in half causes the current to double.

If the current was 2.0 Amps in the first picture, it's 4.0 Amps

in the second picture.

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3 years ago

The cryosphere is composed of?

Alla [95]

The cryosphere is composed of all the frozen water on Earth.

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3 years ago

Light intensity is?

Fittoniya [83]

The correct answer is:
The rate at which a waves energy flows through a given unit of area

In fact, light intensity is defined as the light power per unit of area:
 $I= \frac{P}{A}$
but the power is the energy carried by the light per unit of time:
 $P= \frac{E}{t}$
this means that the intensity can be rewritten as
 $I= \frac{E}{tA}$ 
So, it's basically the rate of energy (per unit of time) through a given surface.

5 0

3 years ago

Read 2 more answers

A 30 cm scale has one end broken. The mark at the broken end is 2.6 cm. How would you use it to measure the length of your penci

lidiya [134]

Answer:

the mark of the broken end is 2.6 cm so, we use the scale from the next full mark i.e. 3cm

Explanation:

we now measure the length of the pencil by keeping the 3 cm mark of the scale at it's left end.

The 3 cm value is then subtracted from the scale reading at the right side end of the pencil to obtain the correct length of the pencil. ✏️

(i i ) place the scale in the contact with object along it's length

(2) Your eyes must be exactly in front of the point where the measurements to be taken.

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3 years ago

A __________ provides a visual summary of the improvements that a data mining project provides on a binary classification proble

babymother [125]

Answer:

Option (B)

Explanation:

A lift chart usually refers to a graphical representation that is mainly used in order to improve the drawbacks of a mining model by making a comparison with any random guess, and also helps in determining the changes that occur in terms of lift scores.

It describes the binary classification of the problems associated with the mining activity. This type of chart is commonly used to differentiate the lift scores for a variety of models, and picking the best one out of all.

Thus, the correct answer is option (B).

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3 years ago