#1
Which of the following elements is the most abundant in seawater?
#2
What is the approximate salinity of seawater?
#3
What is the average temperature of seawater?
#4
Which factor primarily determines the density of seawater?
#5
Which process removes salt from seawater to make it drinkable?
#6
What is the average pH of seawater?
#7
Which gas is most abundant in seawater due to photosynthetic processes by marine plants?
#8
Which layer of the ocean contains the densest seawater?
#9
What is the primary source of dissolved oxygen in seawater?
#10
Which ocean basin contains the highest salinity?
#11
What is the main dissolved gas in seawater that influences its acidity?
#12
Which compound is responsible for the blue color of the ocean?
#13
Which layer of the ocean is characterized by very low temperatures, high pressure, and complete darkness?
#14
What is the approximate percentage of dissolved oxygen in seawater compared to air?
#15