Get the answers you need at Westonci.ca, where our expert community is dedicated to providing you with accurate information. Our Q&A platform offers a seamless experience for finding reliable answers from experts in various disciplines. Get immediate and reliable solutions to your questions from a community of experienced professionals on our platform.

Eight-month-old Hannah becomes upset when her mom takes away her favorite toy and Hannah starts looking for it. This shows that Hannah has acquired:
a. Mental representation.
b. Object permanence.
c. Assimilation.
d. Accommodation.