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Reflex actions are automatic responses to stimuli i.e. a change in an environment.A receptor first detects a stimulus such as heat, its function is to convert this stimuli energy in this case heat into an...

Both graphite and diamond are made of carbon atoms. However, while the carbon atoms in diamond are bonded to four neighbouring atoms, the carbon atoms in graphite are only bonded to three other atoms. The...

Observations:- After each generation, the amount of DNA will be doubled during the S phase of interphase- At the start, all DNA will be labelled N¹⁵- In...

Introduction - It can be considered naive to claim that British society remained the same in the years 1951-64 with numerous changes, both on a demographic level but in terms of people's attitudes of the ...

This is a slightly advanced GCSE question, involving multiple steps. Each step is quite simple however.First, set out the known variables. Note that the 8 inches is the pizza diameter.r = 8*2.5/2 = 20/2 =...