Ruinous is the meaning for destruction
Answer;
-Prevent Propeller Strikes
Explanation;
Propeller guards, or prop guards as they are commonly called, are devices that mount on the lower unit of an outboard motor.These propeller guards surround the propeller and protect it from damage when encountering a rock or other underwater obstacle.
They are manufactured from mild steel rod or heavy plastic, the guards allow water to flow freely through them, so the propeller is able to get a good bite on the water. Grass and weeds are also kept clear of the propeller, and damage to propellers, bearings and seals is greatly reduced through the use of guards.
Incomplete question. I inferred from a historical perspective.
<u>Answer:</u>
<u> The fame that Columbus gained from his voyages is based on unreliable sources.</u>
Explanation:
It is believed by some that the famous explorer Christopher Columbus, based on unreliable sources had been seen as having fame from his voyages.
For example, some scholars even question his writings about his Discovery.
Answer:
Communism in Russia. In Russia, efforts to build communism began after Tsar Nicholas II lost his power during the February Revolution, and ended with the dissolution of the USSR in 1991.
