Question

Lock allows the vessel to move smoothly

5. Fill in the blanks to best complete the following statements.
The lock and dam together form a(n).
with
the higher and lower river levels. Water moving through the lock starts as a(n)
and end as a(n).
at
WORD BANK
system
• boundaries
• output
input
.

Answer 1

The lock and dam together form a(n) system.

Water moving through the lock starts as a(n) input and end as a(n) output.