Sustantivos: casa,gato,profesor,perro,abeja
Adjetivo:alegre,agil,bonita,valiente,pequeño
It's describing the chica, which is singular and also feminine, so therefore we must use la.
Last and first one are true
I don't fully understand your question, however if referring to spaniah class, or math class it is clase de español, and clase de mathematicas
Costa rica protects 23% of it's total territory in national parks.
