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In German there are three genders for nouns: masculine, feminine and neuter. There are some rules for each gender regarding how the words are formed, however the best bet is to learn each gender with t...

A function is a notion somewhat abstract to the non-experienced reader, but can be explained as follows:

You have a domain - that is a set, e.g. the set of all yellow birds. You also have...

Ecological validty in an experimental condition is how applicable the study is to real life. For example, an experiment conducted in a laboratory has low ecological validity, as this type of setting do...

In simple terms a log is asking what power do I need to raise the base to to get that answer.For example log₂32.In this case the "base" is 2.So what power do you have to raise 2 to, t...

The periodic table arranges all the different elements into columns and rows, The horizontal rows are called periods, this is where the elements differ from left to right but the addition of an electro...