1) ser
2) estar
3) ser
4) estar
Tried my best. But I am a fluent speaker.
Answer:
un
Explanation:
maestro is masculine and singular.
Answer:
The most common types of chemical reactions are synthesis, decomposition, single displacement, double displacement, combustion and acid-base. However, such categorization is not exclusive. For example, an acid-base reaction can also be classified as a double displacement reaction.
Explanation:
