Many persons are aware of such medical possibilities, but they are less knowledgeable about people's history and culture.

Most people know that genes are linked to potential medical advances.However, what they do not realize is genes can also tell us about a society and its past.

Receiving a passing grade on the difficult exam concerned Amir.

Amir was worried about receiving good marks on the test, which was very hard.

Of all sports played in New Zealand, rugby football is the most popular. Most areas even have their own teams.

Rugby and football are the most popular sports in the area of New Zealand. Every village, town, and district has teams.

New Zealand sports include rugby football in most districts, villages, and towns.

Most villages, districts, and towns in New Zealand love rugby football and popular sports.

Dragonflies have six legs but cannot walk, and I think that this is odd.

Dragonflies have six legs.

Although Dragonflies have six legs, they cannot walk at all.

Even though they have six legs, dragonflies can’t walk.

Tashkent and Uzbekistan are important places to trade hundreds of things in the market.

The Uzbekistan capital city of Tashkent has been a major market and trading place for centuries.

For hundreds of years, Tashkent has been the capital of Uzbekistan and trading places now is important for the market.

Uzbekistan is a popular place for markets and for hundreds of years Tashkent has been trading its capital goods.

A high school student always has homework assignments in the summer.

It is common for students in high school to have summer reading assignments.

Usually school aged students have summer reading assignments.

Most summer school students have high school reading to do.

A shark can leap 20 feet out of the water, it is called a shortfin mako.

The shortfin mako shark can jump above the surface of water.

A shortfin mako is a kind of shark that can leap 20 feet out of the water.

A shortfin mako can jump 20 feet above the surface of the water.

Deserts cover one fifth of the Earth.

One fifth of the Earth's surface is desert.

Deserts cover one fifth of the Earth.

Deserts cover more than half of the Earth's surface.

Their hospital now has a generator and running water, and it provides free medications for diseases that are widespread in the community.

Cases of malaria have declined as people have been given mosquito nets for beds.

Thanks to the efforts of volunteers, people in Sauri, Kenya, have much better lives today than in years past. Their hospital now has a generator and running water, and it provides free medications for diseases that are widespread in the community.

Life in Sauri has recently improved.The hospital offers electricity and plumbing, and Free medicine and mosquito nets help prevent common diseases and malaria.

On the whole, the feathers of the female birds are not as striking as that of their counterpart

Generally speaking, female birds are less colorful than male birds.

A handshake means something different around the world.

Internationally, a greeting by shaking hands is not the same.

A handshake does not mean the same thing around the world.

Though somewhat boring, his job paid well.

Though somewhat uninteresting, his job paid well.

Though somewhat boring, his position earned him a good income.

The stinking corpse lily, also known as the giant rafflesia has blossoms. They can get pretty big and the blossoms stink.

A flower with the nickname "the stinking corpse lily" produces an odor like rotting meat. The real name of this huge flower that can weigh as much as twenty five pounds is the giant rafflesia.

The giant rafflesia, also known as "the stinking corpse lily" has blossoms that can reach three feet in diameter and weigh up to twenty five pounds. The flowers give off a smell similar to rotting meat.

There are flowers give off a smell similar to rotting meat. The giant rafflesia, also known as "the stinking corpse lily" has blossoms that can reach three feet in diameter and weigh up to twenty five pounds.

Lionel Messi earns a whopping $39.6 million a year for playing striker for La Liga's Barcelona team.

According to Scholastic Book of World Records 2011, I think it is great that soccer player Lionel Messi earns a whopping $39.6 million a year for playing striker for La Liga's Barcelona team!

Soccer player Lionel Messi earns a whopping $39.6 million a year for playing soccer as striker/winger for La Liga's Barcelona team. Barcelona is the capital of Catalonia and the second largest city in Spain.

According to Scholastic Book of World Records 2011, soccer player Lionel Messi makes over $39 million dollars annually. This impressive salary is from his work as a striker for La Liga's Barcelona team (page 99).