Answer:
I think d is I thinks only
The answer is excretory system
The Importance of Freshwater Ecosystems. Water ecosystems, specifically freshwater ecosystems, are some of the most important resources in the replenishment and purification of water sources used by humans. ... One of the main functions of wetlands is to remove metals and sediments that make their way into water.
A person who has almost been hit by a falling branch their sympathetic nervous system will be responsible for the heartbeat that speeds up. This may also cause the person decreased motility as they are experiencing a fright. The sympathetic nervous system controls a persons flight or fight response in the body. The correct answer is B.
<span> This is an example of a quantitative </span><span>observation</span>
