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(Without having a set question to give advice about!) It is important to begin by dissecting the question, picking up on the key terms to determine what the question is asking of you. Once you have done t...

points of intersection are (-1,1) and (2,4). Area of the shaded region is 4.5.

Electronegativity decreases from fluorine to astatine in group 17. This is because fluorine has the smallest number of electron shells in the group, which means there is less of a shielding effect than th...

This is an 8 mark question, so lets split the answer into three parts so that the examiner can clearly see the various components of this 3+3+2 answer.

In the first paragraph try and state at least...

The process of breathing is made up of two components:

• Inhalation
• Exhalation

Inhalation is the process of filling the lungs with air. As they fill they expand and so th...