Asmall fish called a cleaner wrasse darts in and out of a larger fish’s mouth, removing and eating parasites and dead tissue. which term best describes the relationship between the cleaner wrasse and the large fish?

mutualism
commensalisms
parasitism
competition

Acatapult is tested by roman legionnaires. they tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units): range = 0.4 km; angle of launch = π/5 rad; landing height = launch height. what is the initial velocity of launch of the boulders if air resistance is negligible?

Agas is contained in a vertical, frictionless piston–cylinder device. the piston has a mass of 3.2 kg and a cross-sectional area of 35 cm2. a compressed spring above the piston exerts a force of 190 n on the piston. if the atmospheric pressure is 95 kpa, determine the pressure inside the cylinder.

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?