He invented the vaccine for leprosy and reasearched cures for various types if cancer.
Moundo: means world
Momento: means moment
Answer:
Hoy yo tengo la classe de mathematicas. La classe empienza a las dos de la tarde y termina a las tres de la tarde.
in english :Today i have math. It starts at 2 pm and finishes at 3pm
Hope it helps , its a simple answer , if your looking for a more complex answer just comment
Ser is used to talk about WHAT something is
Estar is used to talk about HOW something is
Answer:
llegué
Explanation:
ayer yo llegué a la escuela muy tarde