Respuesta :

I believe the answer is D. Monsoons. 
Hi Diana! Thanks for asking a question here on Brainly. 

Wet and dry air masses create dry seasons and heavy rainy seasons that are called monsoons.

Answer: Letter D

Hope that helps! ★ If you have further questions about this question or need more help, feel free to comment below or leave me a PM. -UnicornFudge aka Nadia