Give me a second
The answer is in the link in the bio
So yeah
A. Water. Because the roots grow in the dirt and they need water too grow.
The correct answer would be a positive feedback loop. when contractions happens its to help get the baby out and to let you know when the baby is coming so when the contractions start it means you are going into labor.
<span>Wetlands are important features in the landscape that provide numerous beneficial services for people and for fish and wildlife. Some of these services, or functions, include protecting and improving water quality, providing fish and wildlife habitats, storing floodwaters and maintaining surface water flow during dry periods. These valuable functions are the result of the unique natural characteristics of wetlands.</span>