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The nerve impulse arrives at the synapse. This triggers vesicles to release chemical messengers (neurotransmitters) into the synapse. These chemicals diffuse across the synapse and bind with membrane rece...

You always start with the sun which gives its every to grass which is a producer of energy. The arrow in the food chain, therefore, travels in the direction the energy travels in  (in this case from the s...

Crude oil is formed from detritus (dead living matter) of animal, plants and microscopic organisms under intense pressure and temperature. It is trapped under impervious rocks which stop the liquid and ga...

In ‘Digging’, the first poem in Seamus Heaney’s first collection Death of a Naturalist, the poet dramatises the moment he decides to dedicate his life to writing poetry. Exploring the emotionally...

The nominative case is used to refer to who/what is doing the action, whilst the accusative case is used to refer to who/what the action is done to.

Take for example the following sen...