Which of the following animals exhibits bilateral symmetry? 1. coral 2. jelly fish 3. starfish 4. sea horse need

Option three, starfish is the correct answer since if you draw a line between it, it would be even!

Answerδh > 0explanationc₆h₆  (s)  → c₆h₆ (l)if you are changing it from a solid to a liquid, you are pretty much melting the solid. this requires heat energy. therefore, the reaction is endothermic (takes in energy); the system enthalpy increases as the reaction proceeds: δh > 0.