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1.Graphite is made up of multiple flat layers of carbon, where the layers are not covalently bonded together. Three covalent bonds hold the atoms in each layer together, forming a repeating hexagonal ring...

Electrolysis is a process in which electrical energy, from a direct current (dc) supply, breaks down electrolytes. the free moving ions in electrolytes are attracted to t...

3+4+5=12
72/12=6
36= 18 46=24 56=30
Area of a right-angled triangle= ab/2
18240.5= 216

blood vessels narrow (vasoconstriction) reduces blood flow blood vessels are close to the surface of the skin less heat lost by radiation

Meanders often occur in the middle course of a river as the water begins to move at a faster pace. As the water flows around a bend it is pushed towards the outer bank of the curve and this increases the ...