The Sentences Nyah should use in her Explanation are :
B. An Ecosystem cannot Function without Decomposers.
D. Decomposers help to recycle nutrients in an Ecosystem.
<u>Because </u>:
✿ Producers provide food for Consumers.
✿ Ecosystems have many types of Decomposers like Bacteria & Fungi.
✿ Plants are not Examples of Decomposers.
The formula for speed is speed = distance ÷ time. To work out what the units are for speed, you need to know the units for distance and time. In this example, distance is in metres (m) and time is in seconds (s), so the units will be in metres per second (m/s).