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The ruched, cloud-like structure of the alveoli means that there is a large surface area for gas exchange between the blood and the lungs, which increases the efficiency of the process, meaning the suppli...

Similarities - Both areas use the scientific methodology to measure behaviour, by manipulating the independent variable to measure the effects it has on the dependent variable. In addition, experiments in...

Enzymes are small proteins found in living organisms. They are described as biological catalysts, meaning they speed up reactions and remain unchanged at the end, ready to do the same aga...

Usually, there are two ways to solve this kind of problems. You could re-arrange the polynomial, make it become a square plus a constant, then the polynomial is greater or equal to the constant since a sq...

A mole is a measure of quantity, such that when you have a mole of something, you have 6.02 x 10²³ atoms/molecules of it. The number of atoms/molecules in a mole is called "Avogadro's Numb...