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In order to best answer this question, we must first break it down. We are being asked to outline which factors affect both the supply and demand for energy before evaluating which of these we be...

First multiply the second equation by 2, so it becomes 2x + 12y = -8. Then subtract the second equation from the first one which gives (2x - 2x) + (-5y - 12y) = (9 - -8), -17y = 17. Therefore y = -1. Plug...

The organelles present in a Eukaryotic cell and there functions are the following: The Nucleus - the nucleus controls all the cells activities, it houses the DNA. Rough Endoplasmic Reticulum - The Rough E...

Though everyone's writing is different, and many different kinds of essays can get a good mark, the mark scheme shows several things that make for a good essay, and that can easily be implemented. By foll...

All atoms are neutral because all atoms have the same number of protons as they have electrons. Atoms are made up of a nucleus and electrons that surround their nucleus in shells. The nucleus contains pro...