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Explain how the Hadley Cell works

The Hadley cell is one part of the tricellular global atmospheric circulation of air. It begins at the equator, where intense solar radiation warms the air causing it to rise through convection. This rising ...
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Answered by Timothy B. • Geography tutor
19267 Views

Is there a slang language in Arabic?

The answer is Yes. The language that majority of Arab talk is not the Formal Arabic Language, it is a slang (informal) language. However, in Schools, Universities and even in writing the language used in the...
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Answered by Faisal A. • Arabic tutor
3112 Views

How do I use the passive voice?

The passive voice in Spanish takes the verb ser and the past participle . You must conjugate the verb according to the tense needed and make the past participle match the gender and number of the subject. Fo...
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Answered by Lucy W. • Spanish tutor
5294 Views

Which cases do I use with prepositions?

1) These prepositions take the dative case: aus, außer, bei, mit, nach, seit, von, zu, gegenüber 2) These prepositions take the accusative case: bis, durch, entlang, für, gegen, ohne, um, wider 3) These prep...
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Answered by Lucy W. • German tutor
3854 Views

What tenses do I use after si (if)?

It depends on what you want to say. 1) If you are expressing something that happens in the present , you must use the present tense in both clauses. For example: si j'ai faim, j'achète beaucoup de chocolat (...
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Answered by Lucy W. • French tutor
6345 Views