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Cliffs are shaped through a combination of erosion and weathering. The erosive forces of hydraulic action and abrasion as well as the processes of weathering, such as freeze-thaw and carbonation, can cont...

Firstly you need to practise again and again different segments of listening exam materials as these are key to allow you to train your ears to the French nature accent, which lets you pick up key words t...

A first messenger is a hormone which binds to a receptor on the plasma membrane of a cell and causes a change to happen inside the cell

Homeostasis is maintaining a constant internal environment. It works by using control systems and allows cells to function normally.

A transition metal is an element that forms one or more stable ions with partially filled d-orbitals