Answer: water, wind, volcanic rock, sand, and other stuff that can pile up basically.
A chase of cheetahs and lions and how they hunt the same prey and have to compete to get it first.
D. They both help organisms to move.
Answer: Adenina
Explanation:
Base nitrogenada: una molécula que contiene nitrógeno y tiene las propiedades químicas de una base. Las bases nitrogenadas en el ADN son adenina (A), guanina (G), timina (T) y citosina (C). Las bases nitrogenadas en el ARN son las mismas, con una excepción: adenina (A), guanina (G), uracilo (U) y citosina (C).
