My answer is b

where in central america is savanna vegetation found?

el salvador
the caribbean lowlands
the pacific coastal plain
nicaragua

The large connected urbane area from boston to washington, d.c. is often referred to as

What is the "great pacific garbage patch"? (a) a large area of marine debris concentrated by rotating ocean currents (b) a large area around the pacific rim where debris collects from natural disasters such as tsunamis (c) an area in the pacific ocean where trash is intentionally dumped due to lack of landfill availability (d) a large trash dump located in hawaii

Many rivers in central asia come from