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Questions and Answers
What does the term 'aquatic habitat' encompass?
What does the term 'aquatic habitat' encompass?
- World's oceans, bays, estuaries, lakes, ponds, and associated swamps (correct)
- Ponds and swamps
- Rivers and estuaries
- Only oceans and major lakes
What is the special property of water that allows it to act as a buffer against changing environmental temperature?
What is the special property of water that allows it to act as a buffer against changing environmental temperature?
- Gravity
- Specific heat (correct)
- Viscosity
- Density
What is the quantity of heat required to raise the temperature of one gram of water by one Celsius degree?
What is the quantity of heat required to raise the temperature of one gram of water by one Celsius degree?
- Gravity
- Specific heat (correct)
- Viscosity
- Density
Where do rivers flow from and to?
Where do rivers flow from and to?
What does the special property of water, density, refer to?
What does the special property of water, density, refer to?
Water has a low specific heat, meaning its temperature changes drastically with a small input of heat.
Water has a low specific heat, meaning its temperature changes drastically with a small input of heat.
Aquatic habitat only covers oceans and major lakes, excluding small ponds and swamps.
Aquatic habitat only covers oceans and major lakes, excluding small ponds and swamps.
Rivers are characterized by a two-way flow from the uplands to their junctions with the sea at estuaries.
Rivers are characterized by a two-way flow from the uplands to their junctions with the sea at estuaries.
All living organisms contain a small proportion of water.
All living organisms contain a small proportion of water.
The special properties of water include density, gravity, and viscosity.
The special properties of water include density, gravity, and viscosity.
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Study Notes
Aquatic Habitat
- Encompasses not only oceans and major lakes, but also small ponds and swamps.
Thermal Properties of Water
- Has a high specific heat, meaning it can absorb and release a large amount of heat energy with a small change in temperature.
- Requires 4.184 joules of heat to raise the temperature of one gram of water by one Celsius degree.
Rivers
- Flow from the uplands to their junctions with the sea at estuaries, with a one-way flow.
Properties of Water
- Has a special property of density, which refers to its mass per unit volume.
- Is essential for life, as all living organisms contain a significant proportion of water.
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