Answer:
the answer your looking for is number 3
In medusae, mesoglea comprises the bulk of the animal and forms a resilient skeleton. In polyps, the water-filled coelenteron acts as a hydrostatic skeleton, which, in concert with the mesoglea, maintains the form of these animals. Muscles in cnidarians are extensions of the bases of ectodermal and endodermal cells.
Carbon hydrogen and oxygen.
Have a good night!
Answer:
necause it orbits the earth and it has light facing on one side at all times and as it orbits the earth it will starte showing a bit of its dark side
Explanation:
A, the higher the temperature, the faster it moves right