How would an increase in total expenditures affect the nation's economy? a. it would cause an expansion. b. it would cause stagnation. c. it would cause a recession. d. it would cause a trade surplus.

Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?

Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

What does a numerical subscript following an element in a chemical formula mean?