Answer:
The mechanisms used to produce sound vary from one family of cetaceans to another. Marine mammals, such as whales, dolphins, and porpoises, are much more dependent on sound for communication and sensation than are land mammals, because other senses are of limited effectiveness in water. Sight is less effective for marine mammals because of the particulate way in which the ocean scatters light. Smell is also limited, as molecules diffuse more slowly in water than in air, which makes smelling less effective. However, the speed of sound is roughly four times greater in water than in the atmosphere at sea level. As sea mammals are so dependent on hearing to communicate and feed, environmentalists and cetologists are concerned that they are being harmed by the increased ambient noise in the world's oceans caused by ships, sonar and marine seismic surveys.[2]
Answer:
china
Explanation:
pls mark this as the brainliest answer im trying to lvl up
I’m pretty sure the answer would be A. :)
Answer:
In the beginning, a boar named Old Major encourages the animals of Manor Farm to rebel against their cruel human master.
After Old Major dies, two pigs, Snowball and Napoleon, lead the rebellion, driving away the farmer Mr. Jones and renaming the farm Animal Farm.
The power-hungry Napoleon drives Snowball off the farm and eventually assumes the role that Mr. Jones once held.
Summary
Animal Farm begins on Manor Farm in England. After Mr. Jones, the neglectful owner of the farm, has drunkenly shut the animals away and gone to sleep, the animals all assemble in the barn to hear a respected boar named Old Major speak. Old Major proceeds to share his dream
Explanation:
all i could think of :\ you can just not listen to my answer if you want :p
