Los factores que pueden causar las corrientes oceánicas son el viento, diferencias de densidad el la masa’s de agua causadas por las variaciones de temperatura y salinidad, gravedad, y eventos como terremotos o tormentas. (Translation:
The factors that can cause ocean currents are wind, density differences in the mass of water caused by variations in temperature and salinity, gravity, and events such as earthquakes or storms.)
What situation are you referring to?
Answer:
The main idea of the text is, 1. Susana and her mom travel and shop.
Explanation:
According to the previous reading Susana travels with her mother in different countries and always makes purchases to each place they go.