Which substance acts as a buffer in natural water?

a) minerals and salt
b) distilled water
c) sulfuric acid
d) a ph indicator

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

What type of competition exsist between two species. turtles and fish

Si el equipo no fuera bueno no con el entrenador.