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In order to solve these simultaneous equations we first want to eliminate one of the variables (x or y) and find a solution to the variable remaining (y or x) and then use this solution to find the second va...

Worth four marks Enzymes are biological catalysts which are used in reactions. A reaction will typically involve an enzyme and a substrate. Enzymes are complementary to the substrate they combine to form an ...

Consider what the topic light and dark refers to. they are contrasting matters, and we must find ways to represent this in the art produced. Maybe get creative by actually combining the two together. conside...

Ionic bonding: When a metal loses electron(s) and a non-metal gains electron(s) to achieve a full outer shell For example, sodium chloride (NaCl) Points to make: Which atom loses electrons Which atom gains e...

The reason we feel weight isn't because gravity is pulling us down; it's actually because we can feel our body being "squished". When we're on Earth, gravity is trying to pull us down through the f...