<em>The members of a society B. Belong to the same species and interact closely witheach other.</em>
Can be a number of things, rain fall quota, climate, population, vegetation..any of those.
It’s the last one - it is breathed out
<span>Cross bridges are created when myosin heads bind to ATP. This phenomenon is basically muscle contraction at work. In order for myosin heads to be bound with ATP at the actin active site, it must be excited with Calcium.
Once myosin heads bind with ATP, it begins to slide and perform muscle contractions in the body, allowing a person to move.</span>
