The kind of vegetation in a tropical rain forest is generally determined by the amount of

The kind of vegetation in a tropical rain forest is generally determined by the amount of sunlight each layer can accommodate.

Explanation:

Tropical Rainforests are a type of rainforests that happens in regions of tropical rainforest climate where there is no dry season because each month has an average precipitation amounting to 60mm.This forest have divided layers in which vegetation is arranged from a vertical position at each top of the soil to its canopy. The first layer which represents the forest floor can accommodate 2% of sunlight while the second layer, known as the understory layer can accommodate 5% of sunlight.

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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c-reactive protein (crp) is an acute phase protein belonging to pentraxin family of proteins, whose levels increases 1000-fold or more in concentration in blood during the occurrence of an injury, inflammation or tissue death.