Fossils of a now extinct dinosaur have been found near the east coast of south america and the west coast of africa. the dinosaur could not swim or fly. what does this suggest about the continents of south america and africa?
a) the continents were once connected.
b) a land bridge once connected the continents.
c) the same type of animals evolved on both continents.
d) prehistoric man transported the dinosaur between the continents.

The correct answer is A) The continents were once connected.

The affirmation suggests that the continents of Africa and South America were once connected.

Fossils of a now extinct dinosaur have been found near the East coast of South America and the West Coast of Africa. The dinosaur could not swim or fly. That is why this suggests that the continents of Africa and South America were once connected.

The theory of Pangea suggests that 300 million years ago, planet Earth had only one enormous mass of land that scientists have identified as Pangea Continent. This big portion of land was surrounded by sea. Scientists have named that sea Panthalassa. That is why fossils of a now extinct dinosaur can be found near the East coast of South America and the West Coast of Africa. As the dinosaur could not swim or fly, scientists that believe in the existence of Pangea suggest that the continents of Africa and South America were once connected.

when world war i broke out across europe in 1914, president woodrow wilson proclaimed the united states would remain neutral, and many americans supported this policy of nonintervention. however, public opinion about neutrality started to change after the sinking of the british ocean liner lusitania by a german u-boat in 1915; almost 2,000 people perished, including 128 americans. along with news of the zimmerman telegram threatening an alliance between germany and mexico, wilson asked congress for a declaration of war against germany. the u.s. officially entered the conflict on april 6, 1917.

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.