How long does it take for water to travel the length of the mississippi river?

How can you use a maps legend to plan your travel

What processes does carbon cycle through the biosphere?

Which statements explain how ponds and lakes differ? check all that ponds are shallower than lakes. ponds are larger than lakes. pond water moves more than lake water. lakes have more plants at the bottom than ponds. lakes are colder and darker at the bottom than ponds.