Final answer:
Kielburger's statement about the heart of a street child is valid based on the text, which describes their experiences of violence, exploitation, and abandonment, and highlights their longing for love.
Step-by-step explanation:
Kielburger's statement about the heart of a street child is valid based on the text from lines 94-108. In these lines, Kielburger describes street children's experiences of violence, exploitation, and abandonment. He emphasizes how these harsh circumstances affect their emotional well-being and highlights the resilience and longing for love that exists within them. By showcasing the experiences and perspectives of street children, Kielburger's statement validates their struggle and highlights the significance of addressing their needs.