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alisha [4.7K]
3 years ago
11

A directional flow of electric charge

Biology
1 answer:
agasfer [191]3 years ago
6 0

Answer:

The direction of an electric current is by convention the direction in which a positive charge would move. Thus, the current in the external circuit is directed away from the positive terminal and toward the negative terminal of the battery. Electrons would actually move through the wires in the opposite direction.

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Why does the texture of an igneous rock generally tell you more about how it formed than about its mineral composition?
7nadin3 [17]

Answer:

The texture of an igneous rock is dependent on the rate of cooling of the melt: slow cooling allows large crystals to form, fast cooling yields small crystals.In addition to texture, igneous rocks may are classified according to their chemical composition.

Explanation:

4 0
3 years ago
If you fill up a balloon with a small amount of air, then set it in direct sunlight, you will see that the balloon expands. This
lakkis [162]

Answer:

Increase in kinetic energy of the gases

Explanation:

The direct sunlight will heat up the molecules making up the gases in the balloon.

Kinetic energy resulting from the heating of these particles will make them become randomized. They then begin to move more haphazardly colliding vigorously with themselves and the wall of balloon.

According to Charles's law "the volume of a fixed mass of gas is directly proportional to its temperature provided pressure remains constant" .

The sunlight heats the balloon and causes a rise in temperature. This will make the gas volume to increase and the balloon expands.

7 0
3 years ago
A lamp that plugs into a wall socket draws energy which flows through a thin wire in the bulb causing it to glow. What energy tr
Softa [21]

Answer:

Electrical>thermal>light

Explanation:

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Thermal energy on the other hand refers to internal energy of a system where temperature is constant.

Light energy is made up of photons which transmits electromagnetic radiation which move in waves and become visible to human eye.

Therefore, the energy transformation taking place according to the question is option D.

5 0
2 years ago
True or false: it is best to only do low-impact exercise.
olganol [36]
The answer is false for this question
6 0
3 years ago
Which process does not occur in the Krebs cycle?
nikdorinn [45]

Answer:

The correct answer is b glucose is broken down into two pyruvate molecules.

Explanation:

Krebs cycle is one of the most important step of aerobic respiraion.Krebs cycle occur within mitochondrial matrix.During krebs cycle the acetyl CoA generated from pyruvate reacts with oxalo acetate in a cyclic manner to regenerate 4 carbon compound oxaloacetate.

 During krebs cycle pyruvate is broken down or oxidized to form 2 carbon compound known as acetyl CoA and carbon dioxide as byproduct.

  But the breakdown of glucose into two pyruvate molecules occur during glycolysis.

7 0
3 years ago
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