What is an effect of La Niña?

Is water wet? and is fire on fire?

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

Distance that lewis and clark traveled from st. louis to ft. clatsop near the pacific ocean.