Okay so. Ser has many forms of putting it
Yo-Soy
Tu-Eres
El Ella Ud.-Es
Nosotros-Somos
Vosotros- Sois
Ellos Ellas Uds.-Son
I don't know if i answered right.
La española, la africana y la taina
This is a school app, and the only thing you can ask is school questions or the moderators (which there are a lot) will remove ur question and give u a warning. to many warnings and they delete ur account. Answer questions to get points, points make it so that you can ask questions.
Arboles y flores because those are the things that you find at the park. Libraries, cards, and computers are not related to the sentence. Trees and flowers are the complements.