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Groups and periods are just ways to divide and categorise elements in the periodic table according to their properties- be it physical or chemical. A period is the horizontal line and all the elements in ...

Bile is alkaline, so it neutralises the hydrochloric acid from the stomach. This creates the right pH for the enzymes working in the intestine. As well as this, bile is an emulsifier. It breaks up big dro...

The straight-line method for depreciation calculates a fixed amount of depreciation over the assets useful life. The reducing balance method calculates the depreciation every year based on the assets net ...

Seamus Heaney utilises nature frequently in his poems as a vehicle for wider themes. Heaney typically refers to the nature that surrounded him as a child, using the memory of his surroundings to explore e...

Fadhila is wrong. To work out price increases/decreases we need to multiply the original price by a decimal number. A reduce by 20% means multiplying by 0.8: we need to take away 20% of the original numbe...