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Natural selection is a theory that became popular after Charles Darwin work and states that traits of living organisms are selected according to their ability to adapt to the environment. It implies that ...

Abiotic: temperature, rainfall, oxygen, nutrient availability Biotic: competition and predation between species, migration

Biofuels are fuels made from organic biomass, i.e., plant material. Sugarcane and sugar beet are sources of biofuels.

In this question, you need to mention and describe forms of soft engineering e.g beach nourishment, land use management and coastal realignment. It is not enough to only describe the strategy, but provide...

One of the most important things to remember when writing exam responses is to plan your answers briefly before you start writing, so you have at least a vague idea of where you are going throughout the e...