28km i believe but i could be wrong let me know if this helped or not:)
Because people use too much gas and oil. If they made plant biofuel people wouldn't spend a lot of money and we wouldn't waste oil.
Answer:
Beat more baleen whales
<span>Explanation: </span>
<span>Smaller toothed whales are secondary
consumers of fish. If the fish population declined, the populations of leopard
seals, elephant seals, and penguins; animals which make up a large portion of
the whales' diet; would likely also decline.
To survive, the smaller toothed whales would have to eat more animals that feed
primarily on krill instead of fish, such as seals (not leopard or elephant
seals) and baleen whales.</span>