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In French, there are three types of 'if sentence' which we need to worry about:1) If it rains, I will watch TV. (If [present tense] + [future tense].)S'il pleut, je regarderai la télévision.2) If I had time,...

The main factor influencing a given compound's state is the strength of intermolecular forces - those need to be larger than the thermal energy for a compound to be solid/liquid. For CO2 the only type of int...

First write out the unit vectors in I, j, and k form. Then put these values into a matrix. Then find the determinant of the matrix. Then you will have reached your answer. I couldn't figure out how to show t...

It is important to analyse the author of the source first of all. Each person has varying socio-economic backgrounds or political agendas and these are very important in how you should approach the source as...

The biggest thing to remember about source questions is that its all in the analysis . You don't need that much specific knowledge to answer a source question, and can even get away with just knowing the bro...