During the healing of a bone fracture, a hard callus is formed by

straight or amphibians are homeothermic to thermal

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.

answer; (a) medicalized;