Animals in danger disappearing
among
danger
Red
save
1. Many animals and birds on the
Earth are
2. Many of them are in
3. Polar bears and reindeer are
them.
4. We can find polar bears and
reindeer in the Book.
5. They don't often have good
things to
6. We must wild animals.​

The Earth is a relatively small celestial object. It is the third planet orbiting an average star, our Sun, located in the Orion arm, sometimes called the Orion Spur; it is a minor arm located in between the Sagittarius Arm and the Perseus arm of the Milky Way, a barred spiral galaxy. Our solar system orbits the central bulge of our galaxy at a radius of 1.7 billion AU and our period of galactic revolution is 230 million years at a tangential velocity of 828,000 km/hr relative to the center. Our solar system has one main sequence star, 4 inner rocky planets, the asteroid belt, 4 outer large gaseous planets, the Kuiper Belt of small icy objects, and the outermost Oort Cloud of icy objects made of water, ammonia, and methane. It extends from…show more content…

The supernova process generates elements more massive than iron, like the heavier elements we find within our solar system, and ejects them.

1. St. Petersburg is one of the most beautiful  cities in the world.
2. The rivers in America are bigger than in England.
3. The English Channel is wider than the Straits of Gibraltar.
4. Russia is a large country.
5. Please be more careful next time and don’t spill the milk again.
6. A bus is faster than a tram.
7. Your handwriting is now better than it was last year. And of course Nelie has the best handwriting of all.
1. Milk is sold in this shop.
2. This book was given yesterday.
3. Mushrooms are gathered in autumn.
4. Many houses are built in our town every year.
5. This text was translated at the last lesson.