Re-uptake results in: 1. excitement of the neighboring neurons.
2. more neurotransmitter molecules in the synaptic gap.
3. less neurotransmitter molecules in the synaptic gap.
4. Unchanged amounts of neurotransmitter molecules in the synaptic gap.

Among the following environmental factors, which does not have a long-term impact on the composition of a region's soil? a. kinds of crops grown b. types of fungi present c. topography of the landscape d. variety of species of mammals e. number of freezes occurring annually

Which best explains why the number of states in the world increased significantly between 1985 and 1995? the map of southeast asia was redrawn, and new countries were formed. new states were formed when the soviet union collapsed. many african states received independence from their colonizers. communist countries seeking to spread their influence created new satellite states. civil wars in central america fueled the creation of new states.

Who pays into social security a employees b self employed c employers d all of the above