Hello!
"El árbol es ______", translates to "This tree is ______." Since we are given two choice, suyo and suya, one of the them is obviously feminine and ther other is masculine.
Since "el árbol" is masculine, we use the possessive word, "suyo", meaning "yours".
Therefore, el árbol es suyo.
This is a very vague question what force do you mean? There are many science forces like applied force, gravitational force, normal force, frictional force, air resistance force, tension force, spring force, and more.
This is for part 2
1. Soy
2. Esta
3.somos
4.estan
5.son
6.estan
7.estas
8. Estoy
I really hope I helped!
1. Donde está la casa de tu tía ?
2. yo soy de santo domingo
3. ellos están contentos
4. yo no estoy gordo, estoy delgado
5. nosotros somos divertidos
6. de donde son ustedes