What information did NASA's Earth-observing satellite, AQUA, collect to learn about Earth's water cycle?
A) amount of phytoplankton and dissolved organic matter in the oceans
B) samples of seafloor sediments
C) changes in sea surface elevation
D) ocean floor topography
Question 2
What is the name for a zone that decreases in temperature with depth?
A) Pycnocline
B) Thermocline
C) Halocline
D) Mixed layer