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5.0
SDI Exam Questions with Detailed
Verified Answers (100% Correct
Answers) /Already Graded A+
Quiz: Objects under water appear:
Ans: Closer and larger than they do on land
Quiz: What happens to colors under water
Ans: As you descend, colors appear to fade, not intensify. Blues and grays
are the last remaining colors at depth.
Quiz: Because sound travels faster under water:
Ans: Sound's increases speed under water makes it harder to determine the
direction from which it is coming.
Quiz: Water conducts heat away from your body ___ times faster
than air does
Ans: 25
Quiz: The presence of thermoclines means that
Ans: divers may require more in the way of exposure protection at depth
than they will at the surface.
Quiz: Tides can:
Sunday, 02 March 2025
, Ans: - make water seem deeper or shallower, stronger and difficult, adverse
effect on visibility
Quiz: Cause of permanent ocean currents
Ans: The sun warming water near the equator, coupled with the earth's
rotation, is the primary cause of permanent ocean currents.
Quiz: Wave height and length
Ans: Wave height is the distance from its highest point (crest) to its lowest
point (trough). Wave length is the distance from crest to crest.
Quiz: formation of surf
Ans: A wave encountering shallow water begins to slow at its bottom, while
the top of the wave continues at its previous speed. This causes the
wave to break.
Quiz: what is surge
Ans: Surge is the back-and-forth movement of water caused by waves
passing over head.
Quiz: What causes most aquatic animal bites?
Ans: An animal's defensive response to a perceived threat & mistaken
identity
Quiz: To be injured by an animal with poisonous spines, you must:
Examstudy - Stuvia US
In today's fast-paced educational landscape, students need reliable resources to excel in their studies.
5.0
SDI Exam Questions with Detailed
Verified Answers (100% Correct
Answers) /Already Graded A+
Quiz: Objects under water appear:
Ans: Closer and larger than they do on land
Quiz: What happens to colors under water
Ans: As you descend, colors appear to fade, not intensify. Blues and grays
are the last remaining colors at depth.
Quiz: Because sound travels faster under water:
Ans: Sound's increases speed under water makes it harder to determine the
direction from which it is coming.
Quiz: Water conducts heat away from your body ___ times faster
than air does
Ans: 25
Quiz: The presence of thermoclines means that
Ans: divers may require more in the way of exposure protection at depth
than they will at the surface.
Quiz: Tides can:
Sunday, 02 March 2025
, Ans: - make water seem deeper or shallower, stronger and difficult, adverse
effect on visibility
Quiz: Cause of permanent ocean currents
Ans: The sun warming water near the equator, coupled with the earth's
rotation, is the primary cause of permanent ocean currents.
Quiz: Wave height and length
Ans: Wave height is the distance from its highest point (crest) to its lowest
point (trough). Wave length is the distance from crest to crest.
Quiz: formation of surf
Ans: A wave encountering shallow water begins to slow at its bottom, while
the top of the wave continues at its previous speed. This causes the
wave to break.
Quiz: what is surge
Ans: Surge is the back-and-forth movement of water caused by waves
passing over head.
Quiz: What causes most aquatic animal bites?
Ans: An animal's defensive response to a perceived threat & mistaken
identity
Quiz: To be injured by an animal with poisonous spines, you must:
Examstudy - Stuvia US
