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Comparing texts of different genres can sometimes seem daunting, but is easier than you think. The most effective way to make the comparison is to think about the theme, or themes, that you are comparing ...

The best method to revise is through solving past questions and timed exam papers. As long as you have your notes and understand all the basic principles, then you just need to practice in order to avoid ...

Let $ denote the integral symbol, as I am limited here by my keyboard.

Recall the formula for integration by parts:

$ u.(dv/dx) dx = uv - $ u(dv/dx) dx

So to find $^pi_0...

The active transport of hydrogen ions out of the companion cells using ATP creates a hydrogen ion gradient.This causes the facilitated diffusion of H⁺ ions back into companion cells. This occur...

Ca(OH)2 + 2HNO3 --> Ca(NO3)2 + 2H2O