Alice Marine Science AS Level

Oxygen can enter the water

• through respiration

• by product of photosynthesis

• decomposition

• oxidation of metals

Tags

NGSS.MS-LS1-6

The average salinity of seawater is

• 35 ppt
• 5-25 ppt
• less than 1 ppt
• 22 ppt

The amount of gas that seawater can hold in solution will be greater

• in warmer water
• in colder water
•  in salty water
• under less pressure

Salinity is measured in 

• parts per million
• parts per thousand
• milligrams
• milliliters

Studies dissolved oxygen, pH, and temperature. 

• Chemical Oceanography
• Biological Oceanography
• Geological Oceanography
• Physical Oceanography

Tags

NGSS.HS-ESS2-5

Which of the following would not cause salinity to increase?

• Melting

• Increased volcanic activity

• Evaporation

• Freezing

The largest constituent in sea water is

• Potassium

• Magnesium

• Sodium

• Chloride

As the concentration of a gas in the atmosphere increases, the concentration of that gas within the ocean will

• increase.

• decrease.

• stay the same.

Which gas is the most soluble?

• Oxygen

• Carbon dioxide

• Nitrogen

• Water vapor

What type of water is more likely to hold higher levels of oxygen?

• Colder, more saline water.

• Colder, less saline water,

• Warmer, more saline water.

• Warmer, less saline water.