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The passé composé is formed by using the present tense form of avoir/être, followed by the past participle of a given verb.Most verbs take the use the verb avoir, however there are several verbs which use...

First step is to take away 12 from both sides of the equation:5a + 12 = 37 (-12) 5a = 25 Second step is to then divide both sides by 5:5a = 25(÷5) Which gives you the final answer:a = 5

The thylakoid membrane is found within the chloroplast. The photosystems (I and II) are embedded within the membrane itself. It is the site of photophosphorylation and the electron transport chain (ETC), ...

That's a great question, and one that we, as non-native French speakers, ask quite a lot. The most important thing to remember about the imperfect tense is that it is not perfect. And it's not perfect bec...

PED stands for Price Elasticity of Demand. It refers to the percentage change of quantity demanded (Qd) of a product as a result of a change in price (P) of that product. It is calculated by dividing the ...