Answer:
It is also one of the world's most important commercial waterways and one of North America's great migration routes for both birds and fishes. Native Americans lived along its banks and used the river for sustenance and transportation.
Explanation:
B is the answer! Hope this helps :)
Because they are the essential micronutrients for the different metabolites of living organisms?
Where is our new uniform temperature humidity and pressure
B as it's not government regulations, technology or funding
