Q18 PARAJUMBLES
1.High-powered outboard motors were considered to be one of the major
threats to the survival of the Beluga whales.
1.With these, hunters could
approach Belugas within hunting range and profit from its inner
2.To escape an approaching
motor, Belugas have learnt to dive to the ocean bottom and stay
3.Today, however, even with
much more powerful engines, it is difficult to come close, because
4.When the first outboard
engines arrived in the early 1930s, one came across 4 HP and 8 HP
Belugas seem to have used their well-known sensitivity to noise to
evolve an ‘avoidance’ strategy to outsmart hunters and their powerful
technologies.
A
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