While you were exploring, what did you notice about the sea life? Are there similarities in the matter than makes of the different life forms you saw?

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride

Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse