What does evidence from anatomy, fossils, embryos, and DNA reveal about the closest living relative of cetaceans?

What best describes lactic acid fermentation?

Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism

How much time has elapsed from the very beginning of "the memior of the conquistador bernal diaz del castillo" to the end? a. castillo's whole life b. a quarter of an hour c. a few weeks d. a decade