The Ekman spiral affects the direction of near surface water movement. If you lowered a current-measuring device over the side of a ship in the northern hemisphere, what would you observe?
a) Subsurface water would all be moving to the right of the wind direction.
b) Subsurface water would all be moving to the left of the wind direction.
c) Subsurface water would be sinking.
d) As the instrument descended, the current direction would move progressively to the left of the wind until it actually was going in the opposite direction, and at greater depth it would move to the right.
e) As the instrument descended, the current direction would move progressively to the right of the wind until it actually was going in the opposite direction, and at greater depth it would move to the left.
Question 2
Which of the following adaptations is NOT effective against predation?
a) mimicry
b) camouflage
c) countershading
d) schooling
e) swim bladder
A soil surface crust that includes nitrogen-fixing, soil-enriching cyanobacteria.
Surface Features on Europa
Spiral Galaxies Seen Nearly Edge On from the Milky Way
Barred Spiral Galaxies
Surface ocean currents
Trapezius muscle movement