Why are these sentences using the verb "ser?"(3 points)

Question

Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
Ella es mi madre.
Yo soy una profesora.
Son las tres.
TimeRelationshipOccupation/Job

Answer 1

Here’s why "ser" is used in each of the sentences:

1. Ella es mi madre. - Relationship (indicating a family relationship)
2. Yo soy una profesora. - Occupation/Job (indicating a profession)
3. Son las tres. - Time (indicating the time of day)