I thought it was savannah but grasslands could be it too.
Answer:
La fricción, fuerza de roce o fuerza de rozamiento es una fuerza existente entre dos superficies que se encuentren en contacto, y que se opone al movimiento, o sea, tiene dirección contraria al movimiento.
Answer:
Through natural selection the disease gain immunity to the antibiotic.
Explanation:
As the antibiotic kills off the members of the population that are not resistant, leaving only the resistant members. These members then reproduce, passing the immunity to their offspring, causing the population to become immune.
