Answer:
So they are lighter and move quicker.
Explanation:
With the small wings and bodies birds have it would be hard for them to escape predators and lift their own weights if their bones were dense like humans' bones. The hollow part of the birds' bone is connected to their lungs so they have enough oxygen to fly easily. Hope this can help you! :)
Answer:
Star 1 is hotter and brighter than Star 2
More sodium<span> ions diffuse into the cell than potassium ions diffuse out of it. the inactivation gates of the voltage-gated </span>sodium<span> ion </span>channels<span> begin to </span>open<span> and the diffusion of </span>sodium<span> ions decreases. </span>After<span> the passage of the action potential, the</span>sodium<span>-potassium pump reestablishes the resting membrane potential. .... i hope it helps </span>
A constant is something that is kept the same throughout the course of a experiment. So I would guess C) because they are not doing anything special. If it’s not C then it is A. :)
