Did you know that during your lifetime, you will produce enough saliva to fill two swimming pools?

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

Aball horizontally thrown from a cliff at 8m/s

2. circled insects have mutations, or changes to their dna. how many of the offspring insects in this generation have mutations?