In CONVECTION, heat energy is carried by the movement of particles of matter.
The tropics receive a great amount of direct solar energy, which produces more evaporation<span> than higher latitudes. The warm, moist air rises, condenses into clouds and thunderstorms, and falls back to earth as </span>precipitation<span>.</span>
Answer: B. Carmen refuses again and again to clean her room. Obstinate means to <u>refuse</u> to change your opinion, and REFUSING to clean your room seems to fit that description, keyword being refuse.
