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S= 0.5n(n+1) ( formula for the sum of the first n natural numbers) 0.5K(K+1)= 300 ( sub in K and make the formula equal to the total sum given) 0.5K(K+1)-300= 0 ( take away 300 from both sides) ...

The thylakoid membrane is found within the chloroplast. The photosystems (I and II) are embedded within the membrane itself. It is the site of photophosphorylation and the electron transport chain (ETC), ...

PED stands for Price Elasticity of Demand. It refers to the percentage change of quantity demanded (Qd) of a product as a result of a change in price (P) of that product. It is calculated by dividing the ...

By 1871 Italy had come into being as a legally unified country. Disparate states and kingdoms were brought together under one unified legislative and executive body. This question examines the extent to w...

When the object is at rest on the platform it has no kinetic energy, but only potential energy. The potential energy is mgh where m is the mass of the object, g the gravitational acceleration and...