because it's not
No. Evolution is not fully understood.
No, not fully understood but most of the source and system have understood by scientists.
submarines change the behavior of some whales but they do not harm whales
Talk to, sure. But being understood and getting an answer - no.
Yes, female humpback whales do sing as part of their communication and social behavior.
Roger Payne has written: 'Communication and behavior of whales' -- subject(s): Whales, Animal communication, Congresses, Behavior, Mammals
Whales do not lay eggs ! They are mammals giving birth to fully-formed live young !
Norm
It helps them survi ve and live.
Whales vomit to expel indigestible materials or toxins that their bodies cannot process, such as the hard beaks of squid. This expelled substance can sometimes harden and age into ambergris, a waxy, solid material that is highly valued in perfumery for its ability to enhance fragrance. Ambergris also serves as a buoyant substance that helps whales in navigating ocean currents. Its formation is still not fully understood, but it is believed to be a natural byproduct of the whale's digestive process.
Because a world we fully understood would be boring.
None at all. Dreams are a function of the subconscious which is not fully understood