A limerick on soil erosion five lines can someone help me.

Soil erosion is naturally quite a mess

I think of it while I'm badly playing chess

Today I feel particularly blue

Why, it is not that I don't have a clue

But, Soil erosion influence me much less

Explanation:

A limerick is a humorous poetic form of AABBA rhyme scheme witha rolling sound that is mostly composed in five lines of which first, second and fifth are longer and in rhyme together, and thirth and fourth are shorter and rhyme as well. It is common for writting a children songs such is 'hickory, tickory , dock'. It is named after LImerick in Ireland.

the answer that best describes the relative refractory period in the neuron is the resting membrane potential is restored, but concentrations of sodium and potassium are not restored to their original state.

the refractory period is the time during which another stimulus given to the neuron will not lead to a second potential. thus, because na+ channels are inactivated during this time, additional depolarizing stimuli do not lead to new action potentials.  

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the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.