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Eyewitness accounts lack ecological validity as they do not take in the real world, like they would in an actual crime scene. They may take place in a laboratory setting. Therefore, their findings cannot ...

In the French perfect tense, avoir and être are both used as auxiliary, or helping, verbs, like have in I have eaten in English. They are placed before the verb which s...

There are two ways accents are used in Spanish.

1. To show unusual emphasis. When a word ends in a vowel, n or s, the emphasis falls on the second-to-last syllable, unless ...

This is a quadratic equation. We can recall that this means the graph will have a parabolic shape. Next we need to do a little bit of manipulation to get our final bits of information. So we want to know ...

So both are examples of very strong bonding. These are strong bonds that are difficult to break. With covalent bonds, the electron are shared between atoms whereas in ionic bonds the electrons are 'taken'...