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A plosive consonant is an abrupt sound made by closing the mouth then releasing a burst of breath. The plosive consonants in English are B, P, T and D. Their effect, especially when used repeatedly is to ...

A virus is non-living and cannot be treated by antibiotics, they do not have a cell wall. Viruses are generally smaller and require a host to survive. A bacteria can be affected by antibiotics and can sur...

Politics is the study of how people use power to organise themselves, their society and their resources. In most modern societies it refers to the affairs of a government and the people who keep it in pla...

Magma can be described as melted rock deep within the Earth, usually originating from the melting of the upper mantle or crust. The magma will generally contain silica tetrahedra as well as many metal cat...

This can be solved using Pythagoras. We know that the pole is 90 degrees to the floor so the height of the pole is the opposite side. The distance between Tim and the pole is therefore the adjacent and he...