Объяснение:
1.Due to its habitat in remote places from human civilization-beyond the Arctic circle, the polar bear retains a larger range of its habitat than any other predator. But, despite this, it is on the list of vulnerable species, as its population is only from 20,000 to 25,000 individuals worldwide.
2. the closest relative of the polar bear is the brown bear. Both species descended from the same ancestor approximately 600,000 years ago.
3. Brown and polar bears can interbreed with each other and produce hybrids, due to the fact that they are related species and they had common ancestors.
Polaar Bear
the book "the adventures of Tom Sawyer" is popular with millions of readers. Book full of adventures of Tom and his friends. Tom Sawyer is a boy who lives with his younger brother sid and Polly in St. Petersburg, a city on the Mississippi river.
• That day Tom Sawyer feel gloomy. They called him lonely. No one cared about him. He believed that no one loved him. Tom was crying. He looked back at the house, their school, and again cried. He thought about how unfriendly, how cold the world was. Just at that moment he was faced with Joe Harper his old friend. Joe's eyes were red. He looked miserable, his mother punished him to drink the cream
The guys talked about their common problems and decided to flee the city. Near the town on the great Mississippi river was a raft. They could travel on water for long island is called the island of Jackson. No one could find the boys.
An hour later, Huck Finn, a tramp, also joined them. Plan for the guys to warm the food out of the house to meet at midnight near a raft to escape from the city to live a happy life on the island as pirates.The night was dark and still. A great river like the ocean. At midnight, Tom was in a secret place with a piece of ham. A minute later the three friends found each other in the dark and was on a raft. At two o'clock the young pirates came to the island and maiden voyage ended.
Tired but happy, they lit a fire and fried some bacon.
How romantic it was: water, stars, bacon, freedom, friends...
"Not great?", Joe said.
"This is wonderful!" Tom said. "What are you guys talking about?"
"They'll just die here!"
"For me it's just life," said Tom. "You don't get up early, do not wash, do not go to school. You just relax and enjoy".
Suddenly said Huck, " what do pirates do?"
Tom replied, "Oh, they just have the time to take the bully ships, to get money and hide them in a terrible place."
"What dreadful place?"
"Somewhere on the island. Where there are a lot of ghosts."
Gradually their conversation died, the boys fell asleep. That night they dreamed of adventure, travel, first impressions of a new life.