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Historically, the primary method of treating offenders has been custodial sentencing. Arguments for custodial sentences are that dangerous offenders cannot harm members of the public whilst detained and t...

Sewage can contaminate water supplies which leads to waterborne diseases like typhoid or cholera. Agricultural run-off threatens water quality since pesticides have high levels of nitrate which causes eut...

Using Pythagoras, x² + y² = r².Using basic trigonometry, x = rsinθ and y = rcosθ.
xy + 1 = r²sinθcosθ + 1 = (1/2)r²sin2θ + 1
Subbing in bot...

An ionic compound is formed from positive and negative ions which have balanced and opposite charges.K has 1 electron in it's outer shell. S has 6 electrons in it's outer shell. S needs 2 more electrons t...

1st Law - a body will move with constant velocity or remain at rest unless acted on by a resultant force
2nd Law - F = ma. The rate of change of momentum of an object is equal to the resultant force ...