The amount of heat energy required to raise the temperature of a unit mass of a material one degree is
a. its heat capacity.
b. absolute zero.
c. a btu.
d. a joule.

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.

Why was control of the atlantic ocean essential to great britain’s success in world war 2

Which was the cause of the rise of the persian empire?