Question

Penguins are extremely well adapted to swimming in water at fast speeds. Penguins can swim as fast as 40 km/h underwater. Scientists have many times found that by looking at nature, they can develop better technology. What type of technology could the study of penguins improve?

a cruise boat technology
b submarine technology
c buoy technology
d scuba diving technology

Answer 1

A and C aren't underwater so penguins can't help improve them.
Between B and D, scuba diving uses movement more.
So I think the right answer is D