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2 years ago

Which fossil fuel is used the most for energy production?

1 answer:

algol132 years ago

5 0

A. Coal is used to primarily to produce and generate electricity and it is responsible for 39 percent of the power supply for the united states.

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What is Newton's 2nd law of motion? *<br> Your answer

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Acceleration of an object is depended upon the net force acting open the object and the mass of the object

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2 years ago

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What kind of circuit is the one shown below?

lions [1.4K]

Answer:

The given circuit diagram shows parallel circuit.

Explanation:

In this circuit diagram two bulbs are connected in parallel combination because current flows from the battery gets bifurcated at the junction. Thus, two bulbs are connected in parallel combination.

This parallel combinations of bulbs then connected to the battery given in the diagram. So, the combinations of bulbs are connected in parallel combinations with the battery.

Hence, both bulbs and battery are connected in parallel combinations with each other.

The circuit diagram shown in figure is parallel.

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A 45.0-kg sample of ice is at 0.00°C. How much heat is needed to melt it? For water, Lf=334 kJ/kg and Lv=2257 kJ/kg

Aleonysh [2.5K]

Heat required to change the phase of ice is given by

Q = m* L

here

m = mass of ice

L = latent heat of fusion

now we have

m = 45 kg

L = 334 KJ/kg

now by using above formula

$Q = 45 * 334 * 10^3$

$Q = 1.5 * 10^7 J$

In KJ we can convert this as

$Q = 1.5 * 10^4 kJ$

so the correct answer is D option

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Epithelial tissues often form the lining of organs and secrete substances such as digestive enzymes.

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Answer:

ohh yes. answer is true

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A student sees a commercial that claims a new dishwasher is energy efficient.

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Answer:

ENERGY STAR-certified dishwashers

Explanation:

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3 years ago