Answer:
During an action potential, sodium channels first activate, driving the upstroke, and then inactivate, facilitating repolarization to the resting potential. The channel's a gate (activation gate) is closed at rest and activates in several steps to an open state after depolarization.
Explanation:
Answer:
it is
3) A
4) false
5) A
most answers are online if you are concerned
As trade intensified between Africa and Asia, prosperous city-states flourished along the eastern coast of Africa.
Answer:
Kenya is the most largest and most advanced economy in East and Central Africa; with strong growth prospects supported by an emerging, urban middle class and an increasing appetite for high-value goods and services.
Explanation:
Scientists should definitely use evidence - and they collect this evidence though especially designed experiments. Based on their data and assumptions they build models which they then test, but they can base their conclusions based on the models too.
What they should not do is based the conclusions on opinions, because opinions are not imparcial- they can state them as opinions, but not as conclusions.
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