Answer:
Sonar, short for Sound Navigation and Ranging, is helpful for exploring and mapping the ocean because sound waves travel farther in the water than do radar and light waves.
Explanation:
give thanks, thank you:)
Bilbo Wasn't Just For Burglary, He Was Also Sneaky. Enemies Knew Dwarf Scent Very Well, But A Hobbit Would Be A New Scent. He Was Good For Sneaking Into Places, And When He Had The Ring, That Would Be No Problem.
~Spades15
Answer:
The answer would be (A) Pacing.
