Question
Sound waves travel through water at about 1.5 km/sec (0.9 miles/sec), which is 4.5 times faster than sound traveling through air. Whales depend on sounds in water to communicate, navigate and hunt underwater, this therefore is echolocation. Echolocation in whales is mainly ...

Question
Are Bats Blind-Flying Bats Bats are not blind and can actually see very well with their eyes.It has nothing to do with vision. Despite the tiny eyes and nocturnal lifestyle, none of the roughly 1,100 bat species is blind.While most bats ...