We learned about some cats who learned through trial and error to escape from a box and get food. This was an example of:

Which of the following contributed most to making the items listed in the box

Why was frederick douglass encouraged by the dred scott decision?

As with any small island country, cuba has fewer natural resources than countries such as brazil. this affects their economy in that cuba a) exports only manufactured products. b) exports more products than it imports.. c) must import more products than it exports. d) has imposed trade barriers against the united states.