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https://filestore.aqa.org.uk/sample-papers-and-mark-schemes/2018/june/AQA-77021-QP-JUN...
To find the coordinates of the point, we have to solve the equations simultaneously. To do this, we need the same number for the coefficient of x or y in each equation. Arbitrarily, we will chose to match...
Alkali metals are in group 1, so they have only one electron in their outermost shell. They are trying to loose this electron so they can obtain a noble gas configuration. This means that they will react ...
Light is a transverse wave whose oscillations are perpendicular to its direction of movement. It is on the electromagnetic spectrum, so it does not need particles to propagate through. It can propagate t...
Symbols instantly convey a message or meaning to those who are familiar with them. Symbols are used a lot in the Christian faith and can be seen on altars and in different places around the church and in ...
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