half-life? what do you mean
When designing the bridge model, an Engineer needs to have certain qualities like creativity, observant, ethical.. 'cause construction of bridge needs accuracy, we need extra modern design so our world can utilize it in much better way, and it's perfectness 'cause we need to secure it for much longer time
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Answer:
A. Gravitational force
C. Their charges
Explanation:
As we'll discuss in this lesson, he found that the force between charged particles was dependent on only two factors: the distance between the particles and the amount of electric charge that they carried.
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'D' is one way to increase the current. Another way is to increase the voltage. / / / It's possible that 'C' might also be a true statement. We don't know; because we can't see it.
Burning is a chemical change because when your burning something your releasing chemicals into the air ( turning it into gas , like CO2) , it requires more energy to break chemical bonds. Melting/bending your just changing the physical look of object, boiling your just heating it but the make up of the object is still the same.