Why are mushrooms important to the food chain? they recycle nutrients into the ecosystem. they produce food energy for other living things. they recycle oxygen into the atmosphere. they consume excess herbivores in the ecosystem.

The answer would be

A) "They recycle nutrients into the ecosystem"

The correct answer is option A

Mushrooms are important to the environment because they bring back the nutrients into the soil. Mushrooms are fungi that are known as the decomposers.

They feed on the dead plants and animals and brings back the nutrients in the soil which is used up by the plants.

This is known as the recycling of nutrients.

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 answer is: metamorphic rocks often show the presence of fossils, also a

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-lavira: )