In what ways do the amazon and mississippi rivers differ?

check all that apply.
a. the mississippi has a 5,000-square-mile dead zone at its mouth.
b. the amazon floods, while the mississippi typically does not.
c. the amazon has been a barrier to travel.
d. the amazon has a wider range of plant and animal life.

What is the general rule about surface currents? cold water flows along the ocean floor towards the equator. the east coasts of continents have cold surface currents, and the west coasts of continents have warm surface currents. seasonal and constant offshore winds create significant upwelling along the west coasts of south and north america and africa. the west coasts of continents have cold surface currents, and the east coasts of continents have warm surface currents.

Witch of the following volcano hazards is made up of rocky particles about the size of a grain of sand

If the distance between two points on the ground is 10 miles and the distance between the same two points on a map is 4 inches, what is the map scale expressed as a ratio?