Answer:
The simplest definition of ecosystem is that it is a community or a group of living organisms interacting with each other and with non - living things.
HOPE THIS HELOS AND OLS MARK AS BRAINLIEST AND THNXX :)
Following? what are you saying?
Is a system that connects with skeletal muscle v<span>oluntary controls the body movements. </span>
A cool down routine is important after exercise because it helps to bring your heart rate down to a normal level after increasing it during exercise.
A and D both seem correct