In response to "stress," the ___ release(s) stress hormones

Which of the following statements regarding theories is TRUE?

A) Theories seldom allow for predictions to be made. B) Theories summarize currently known facts. C) Theories can directly be proven to be either right or wrong. D) Theories remain stable despite scientific advances.

Katie is having trouble learning Italian because she finds that having learned German earlier makes it more difficult for her to now learn Italian, which illustrates forgetting due to retroactive interference

a. True b. False Indicate whether the statement is true or false