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The key here is to eliminate one of the variables; it doesn't matter whether we start by trying to get rid of x or y we will arrive at the same solution. For us to eliminate either x or y it is easiest to fi...

Cell walls provide plant cells with protection and structure. Protection may be from adverse conditions or from biotic threats like fungi or bacteria. The structure of the plant is dependent on the presence ...

When forming a sentence in the past, or perfect tense in German, it is always formed with a conjugation of 'sein' or 'haben', plus the past participle of the main verb. It is much more common to use the verb...

Sources play a vital role in the study of History. It is important to know how to engage with the sources correctly and use them appropriately in an answer. The three main things to remember are: 1) What is ...

In German there are three genders that a noun could have: masculine, feminine, and neuter. If you have studied French or Spanish for example, you will have seen nouns that have masculin or feminine genders, ...