Cellular respiration does not capture all of the energy stored in food. Some of the energy that is not transferred to cells is used to -

they float because they are less dense than the water itself

something denser than water, like a rock, will sink to the bottom

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.