What innovation allowed henry ford to make cars available to americans for a lower cost?

a. the use of assembly lines
b. cheaper steel for car frames
c. the development of faster railroad deliveries
d. a drop in the price of oil

What two bodies of water were connected by the panama canal

The line dividing regions 4 & 5 on this map is known as the "fall line." which of these represents an important factor of the fall line in georgia history? a) it was the first boundary of the georgia after it became a state. b) it was an important source of power due to a change in elevation. c) it was once home to major cities that have since become abandoned. d) it was a dividing line between the united states and native american territories.

Describe two observations that galileo was the first to make with his telescope.