distinguir en laas siguientes afirmaciones ,si se trata de economia positiva o normativa. Fundamentar cada respuesta a) el gobierno considera que gravando el precio de laas bebidas alcoholicas, reducira el nivel de alcoholismo en la sociedad actualb) el aumento de los precios de los combustibles produjo una baja de ventas en las industrias automotricesc)en su discurso, el ministro de Economia ,detallo que es necesario un aumento del gasto publico para generar empleod)segun datos provenientes el INDEC, se establecio que ha descendido la tasa del desempleo en el pais.

Provide one reason why mitosis occurs.

Two male mice, which we will call male a and male b, are both phenotypically normal. male a was from a litter that contained half phenotypically normal mice and half dwarf mice. the mother of male a was known to be homozygous for the normal igf2 allele. male b was from a litter of eight mice that were all phenotypically normal. the parents of male b were a phenotypically normal male and a dwarf female. male a and male b were put into a cage with two female mice that we will call female a and female b. female a is a dwarf and female b is phenotypically normal. the parents of these two females were unknown, although it was known that they were from the same litter. the mice were allowed to mate with each other, and the following data were obtained: female a gave birth to three dwarf babies and four normal babies. female b gave birth to four normal babies and two dwarf babies. which male(s)mated with female a and female b? male a with both females male a with female b, and male b with female a male a with female a, and male b with female b could not be determined male b with both females

Explain how fossils scientists make discoveries about the lives of organisms and about how environments have changed over time. plz hurry up it time