Which type of math prepares adolescents to study theoretical physics?

When young children with psychosocial dwarfism are removed from their emotionally inadequate environments,

A) their dwarfism is permanent, even with immediate treatment. B) they rarely exhibit catch-up growth. C) they must be given high levels of iron to prevent anemia. D) their growth hormone (GH) levels quickly return to normal and they grow rapidly.

Researchers have found that we are most likely to be helpful to

a. anyone who asks b. strangers c. friends d. all of the above