Which type of science: biology ( the study of life), chemistry ( the study of atoms/molecules), or physics ( the study of forces and universe) do you think is the most interesting? why?

Which of the following represents an upside-down image? o a. +doo b. -doo c. +mo d.-m

Un jugador de beisbol batea un foul recto en el aire.la pelota deja el bate con una rapidez de 120 km/h. en ausencia de resistencia del aire. ? cual sera la rapidez de la pelota cuando la atrape el catcher

The least penetrating form of radiation is