AP BIOLOGY

BIOCHEMISTRY

PROPERTIES OF WATER

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The Gulf Stream is an ocean current that flows along Florida’s east coast. It has an important moderating effect on the climates of northern latitudes, particularly in Greenland, Canada, and Europe. What property of water makes the climate of these areas milder than they would otherwise be?
A
melting point
B
high specific heat capacity
C
polarity and electronegativity
D
expansion of crystal structure as water freezes
Explanation: 

Detailed explanation-1: -The Gulf Stream is a strong ocean current that brings warm water from the Gulf of Mexico into the Atlantic Ocean. It extends all the way up the eastern coast of the United States and Canada. The Gulf Stream is a strong ocean current that brings warm water from the Gulf of Mexico into the Atlantic Ocean.

Detailed explanation-2: -The high heat capacity of water also explains why the temperatures of land near a body of water are more moderate. The high heat capacity of water keeps its temperature within a relatively narrow range, causing nearby coastal areas to also have a narrow daily and seasonal temperature range.

Detailed explanation-3: -This dome-like shape forms due to the water molecules’ cohesive properties, or their tendency to stick to one another. Cohesion refers to the attraction of molecules for other molecules of the same kind, and water molecules have strong cohesive forces thanks to their ability to form hydrogen bonds with one another.

Detailed explanation-4: -The Gulf Stream is extremely important to the global climate because it provides moderating temperatures on neighboring land areas of the east coast of North America, the coasts of Western Europe and northwestern Africa, and other coastal areas along its path.

There is 1 question to complete.