你可能感兴趣的试题
Increased pollution of the seas. Hunting. Insufficient supply of food. Disease.
The blue whale is larger than the sperm whale. The beluga is larger than the blue whale. The killer whale is larger than the sperm whale. The porpoise is larger than the killer whale.
the whales travel such a long distance there are more whales than there used to be the whale bodies are too old to study by the time they are found the whales are endangered
the Florida Beaches Beached Whales Whale Sounds Medical Treatment of Whales
Twice as many. Three times as many. Half as many. About the sam
the Florida Beaches Beached Whales Whale Sounds Medical Treatment of Whales
the whales travel such a long distance there are more whales than there used to be the whale bodies are too old to study by the time they are found the whales are endangered
Twice as many. Three times as many. Half as many. About the same.
El Nino The sun Over-population Pressure
Pneumonia. Brain infection. Over-population. Over-eatin
a bird a giant an elephant a submarine
Breeding habits of whales. Differences between whales. Efforts to preserve whales. The intelligence of whales.
because they are hungry because they are attacked that people can study them that they are confused
the opinions of famous people a vivid word picture an example a firsthand story
narwhals dolphins blue whales pilot whales
There's not enough room for them in Alaska. There may not be enough food for them in Alaska. They get pushed ashore. there are more whales to spread diseas
people know the whales are going to die the whales have to be carted away and buried the whales cannot be used as food no one can use the beach on those days