Answer:
Use tú!
Explanation:
Its it less formal than usted. You use usted for adults and elderly!
1. The official name of for Mexico is the United Mexican States.
1a. Mexico is the 11th most populated country in the world with around 117 million people
1b. Mexico is the 14th largest country by land area.
1c. There are 31 states in Mexico as well as the capital city.
1d. The written history is spans than 3 millennia
46. hace calor
47. fácilmente
49. <span>Marta uses the dishwasher because she doesn’t like to wash dishes by hand.
</span>50. clean the bathroom