Whats ur question? i dont get it
Answer:
Tides also differ at different times of the year depending on the location of the Moon and Sun in relation to Earth. At times when the Sun, Earth, and Moon are in line with each other (during full and new moons), the tidal range is larger because both the Sun's and Moon's gravitational pull create the tide.
I'd guess b on this one. I don't know the definition of watershed, but the amazon is a pretty big expanse of water "stretching" a long way (albeit that water doesn't stretch).
