Which of the following statements about physical models is not true.

a) physical models are often three_dimensional representations.

b) physical models are used to represent an objet or event.

c) physical models are usually in the from of graph.

d) physical models can be used to depict microscopic objects.

Which of the following best describes the outcome of the bay of pigs invasion? -it ended in a draw despite strong air support from the united states. -it was a partial success that to resolve the cuban missile crisis. -it was a success and created hostility between cuba and the soviet union. -it was a failure that was an embarrassment for the kennedy administration.