In a neuron, during the depolarization phase that may trigger an action potential - most voltage-gated sodium and potassium channels are open - most voltage-gated sodium channels become inactivated - most voltage-gated sodium channels are open - some voltage-gated sodium channels are open - most voltage-gated potassium channels are open

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.

name and explain one of the event that occurs during meiosis that increases the variation in offspring even more than simple reproduction?

no i don't feel that humans have oversubscribed some medications