Which of the following statements regarding cnidarians is true? The digestive and circulatory compartment of cnidarians is called the gastrovascular cavity. Cnidarians have three true tissue layers. Cnidarians are herbivores and can be destructive grazers on seaweeds. The more stationary cnidarian body form, which is cylindrical with a ring of tentacles, is the medusa.

halogen, any of the six nonmetallic elements that constitute group 17 (group viia) of the periodic table. the halogen elements are fluorine (f), chlorine (cl), bromine (br), iodine (i), astatine (at), and tennessine (ts).

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a

a covalent bond, specfically triple bond