El oxígeno es el elemento químico que más hay en la atmósfera ya que es el que necesitamos para respirarVerdadero o Falso

Name the type of chemical that speeds up digestion

How do antiviral drugs work? in your own words.

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.