Answer:
C. Energy is used for life processes (e.g. Movement, breathing, etc.)
Explanation:
As we pass from one trophic level to the next, only 10% of energy is transferred from the first trophic level to the next. This is because a lot of energy is lost to the surroundings and rest is utilised by the organism.
The relationship between the resistance R of a wire and its resistivity
is given by
where L is the length of the wire and A is its cross sectional area.
In the problem, we have
,
and
. So we can solve the find the area A:
For a cylindrical wire, the cross sectional area is given by
where r is the radius. We know the value of the area A, so now we can find the radius of the wire:
Answer:
The power used by raul's microwave must be the power used by katrina's because his microwave took time to do the same amount of work.
Explanation:
The power from a car engine is the power of a bicycle because a car engine does the same amount of work in time. raul and katrina equally shared a frozen lunch but heated each portion in two different microwaves. katrina's lunch was warm in one minute while raul's lunch took two minutes. the power used by raul's microwave must be the power used by katrina's because his microwave took time to do the same amount of work.
The correct answer is silver metal.
Conductivity measures the ability of a material or a metal to transmit energy, conductivity may be electrical, thermal or acoustical conductivity. The most electrical conductive element is silver, followed by copper and Gold. Silver also has the highest thermal conductivity as compare to any element. However, copper and Gold are more often used in electrical applications since copper is less expensive and gold has a much higher corrosion resistance.
<span>that's a good question. It is a amorphous solid because it expands </span>
