Haya existido is the correct answer. so you're right it's B
Podra because its the correct conjugation. Earthquakes because tectonic motion. Totumo is an active mud volcano. I dont think Dr.atl (gerardo murillo) didnt make a special type of paint. Buisness woman is what mujer de negocios. llevaras with the accent should be the right form. La duena is owner. graduarus is the right conjugated form. La agricultora shouldnt be in an office.
I would like to go with you to the movies on Saturday.
1.mi amiga habla con migo. (<span>¿Quién habla contigo?)
</span>2.yo estudio con ella todo los dias. (<span>¿Cuándo estudias con ella?)
</span>3.yo escucho musica con ellos. (<span>¿Qué escuchas con ellos?)
i hope this is right.</span>