The statement that correctly describes a scientific theory is option b.
- A scientific theory is a thorough justification for a certain phenomenon in the natural world that is based on a body of data that has been repeatedly confirmed via observation and experiment. These concepts are accurate explanations of reality rather than just "guesses." It is possible to test scientific hypotheses and produce predictions that can be refuted.
- Option a is incorrect because a scientific theory is supported by data and evidence.
- Option c is incorrect because a scientific theory is not based on opinions but rather facts.
- Option d is incorrect because a scientific theory is not likely to change over time with new incoming data.
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Speed is how fast you cover a distance.
(distance covered) divided by (time to cover the distance).
Acceleration is any change in your motion ... speeding up,
slowing down, or changing the direction you're headed.
<h2> F = k×
</h2>
Explanation:
- The attractive or repulsive forces which act between any two charged species is an electric force.
- The electric force depends on the distance between the charged species and the amount of charge which can be calculated by the formula given as follows
F = k×
where, K is coulombs constant, which is equal to - 9 x10^9 
- The unit for K is newtons square meters per square coulombs.
- This is known as Coulomb's Law.
<u>The moon is not seen at all on the new moon because:</u>
The moon itself doesn't make a light, it reflects sunlight. At the point when the moon lies between the Earth and the Sun, it is just the posterior of the moon that is light by the Sun. In this circumstance, the side of the moon confronting the Earth can't mirror any light whatsoever and seems dull.
The distinction between another moon and a sunlight based over-shadowing is during a sun oriented obscuration, the moon is actually in the position to completely obstruct the sun during the day.
