False a watershed is an area of land that contains a common set of streams and rivers that all drain into a single larger body of water
Answer:
I think tree is the best example of renewable resources
Explanation:
because other are limited by nature but we can plant trees
Any condition in an experiment that can be changed is a control variable!!
You control it!!
<span>1. Smooth functioning of nerves-Calcium is key in helping nerves transmit messages across cells in the body.
2. Clotting of blood-Calcium helps in the clotting function of blood
3. Aids the contraction of muscles-Our muscles make use of calcium to aid them in contracting during the course of normal muscle functions.</span>
Definitely not long, I’m not sure the exact time, look it up