Which is not a theme of old yeller? a. life is full of joy and pain. b. it is important to believe in yourself. c. it is important to treat strangers kindly. d. sometimes you have to make big sacrifices.

Science cannot describe things that a.) are beyond imagination, experience, or human ability b.) cannot be observed, measured, or tested c.) have not been conclusively proven d.) occur without being seen, heard, or felt