Astro Boy, by Osamu Tezuka
A cold front<span> is the transition zone where a </span>cold<span> air mass is replacing a warmer one
</span>T<span>hey move more slowly than warm fronts.</span>
Because other three are characteristics of the cold front and they move faster than warm
so option D is correct
hope it helps
As I said in your other post/question on the same topic, you have to rephrase your question in order for us to help you. =)
Answer:
El ciclo del agua es el viaje continuo que el agua toma desde el mar, hacia el cielo, hacia la tierra y de regreso al mar. El movimiento del agua alrededor de nuestro planeta es vital para la vida, ya que es compatible con plantas y animales.