_________are generally built in pairs to preserve the location of a river mouth or harbour entrance.
A) Caissons
B) Jetties
C) Groins
D) Seawalls

Name: _________are generally built in pairs to preserve the location of a river mouth or harbour entrance. A) Caissons B) Jetties C) Groins D) Seawalls
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Question

Quizplus · Accepted Answer

Jetties are structures built from the shore into the water to direct currents and prevent sediment accumulation, thus preserving the location of a river mouth or harbour entrance.

_________Are Generally Built in Pairs to Preserve the Location of a River