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21 questions
A river is
a moving body of water that flows from its mouth to another body of water
a moving body of water that flows from its source to another body of water
a moving body of water that flows from its head to another body of water
In the diagram of the drainage basin "A" represents
source
tributaries
confluence
mouth
In the diagram of the drainage basin "A" represents
source
tributaries
confluence
mouth
In the diagram of the drainage basin "F" represents
source
tributaries
confluence
mouth
The source of a river is where the river begins
TRUE
FALSE
The mouth of a river is where the river begins
TRUE
FALSE
Small rivers are known as
streams
brooks
confluence
creeks
The main functions of a river are
erosion
solution
transportation
deposition
River erosion takes place through
hydraulic action
attrition
corrasion
suspension
Hydraulic action occurs when
the sheer force of water erodes the rivers bed and bank
the sheer force of rocks rub against the bed and bank
when rocks are soluble in water
A river transports its load by all the following EXCEPT
Traction
Saltation
Suspension
Attrition
Rivers provide mankind with...........................water
salt
brackish
fresh
stale
The long profile of a river is divided into three sections, the sections are as follows
upper course and middle course
upper course, youthful course and lower course
upper course, middle course and lower course
In the diagram of the long profile of a river, "B" represents
upper course
middle course
lower course
In the diagram of the long profile of a river, "C" represents
upper course
middle course
lower course
Rivers are important on the island of Trinidad because they
supply water for agriculture
supply water for domestic use
are used for recreation
are used in transport
Rivers maintain a huge variety of plant and aquatic ecosystems
TRUE
FALSE
Without river water the Caribbean would not have sufficient fresh water resources to maintain their populations
TRUE
FALSE
Rivers are only found in the Caribbean and Latin America
TRUE
FALSE
The biggest river in Trinidad is the
Caura River
Caroni River
St. Joseph River
Valencia River
Hydraulic action occurs when
the sheer force of water erodes the rivers bed and bank
the sheer force of rocks rub against the bed and bank
when rocks are soluble in water
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