Which of the following would likely not trigger a mass extinction? continental drift a sudden and significant expansion of the sun an asteroid hitting earth

Does mitochondria still meet the definition of a eukaryote why or why not?

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?

The wind speed in the region between cities a and b was probably the greatest at noon on which day