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Could you guys help explain how a impulse works, with the Na+ and K+ transfer? I don't get it :!: :!: :!: Basically, when a neuron is at resting membrane potential, there is a higher concentration of Na+ ions outside the cell and a higher concentration of K+ ions inside the cell. However, there are...

Does anyone have any ways to study pictures of glaciers? The picture ID sections sometimes trip me up. One thing that helped me identify glaciers and other features on a topographic map was putting some examples on my note sheets to reference during the event. Or maybe you can look for a few differ...

We have a Tuesday, Wednesday, and Thursday practices. Most of the time we also have a late stay on Friday that goes to 7:00 PM or 8:00 PM. The practices during the center of the week are an hour and a half long; which consist of 30 minutes of coach discussion, 30 minutes of teammate discussion, and...

You could just use a class 1 lever but the event requires that you use a class 1 lever connected to a class 2 lever. We linked the end of a class 1 lever to the end of a class 2 lever and hung the known mass from the end of the class 1 lever that is opposite the end that connects to the class 2 leve...