It is becoming extremely difficult to grow enough to feed the world’s rapidly increased population.

Ocean currents that help transfer heat from the equator to the poles, thereby creating a more balanced global environment.

On February 20th, 1962, “Friendship 7” orbiting the Earth in a manned flight that lasted just under five hours

Because helicopters are capable of hovering in midair, they are particularly useful for rescue missions, military operates, and transportation.

There exists more than 2,600 different varieties of palm trees, with varying flowers, leaves, and fruits.

I wish you ______________ making that noise. It's bothering me. 

Early balloonists remained aloft in the air for relatively short periods .

Michael has worked in three different companies in three different positions, so he has more work experience than the other applicant’s

Mr. Brown bought ..............new car ..................last week. 

Most countries depend to few extent on cereal imports to augment their own crops.

Due to the latest forecast, the tunnel will be finished next year

 Please give me ...........cup of coffee with........... cream and ........... sugar. 

I really hope my sister will apply for that new job; she will be so good with it

In human beings, as in other mammal, hairs around the eyes, in ears and in the nose prevent dust, insects, and other matters from entering these organs.

He said “Good morning ” in a most friendliness way.

Vitamin E, which is found in nutritious foods such as green vegetables and whole grains, action as an antioxidant in cell membranes.

The diary it was kept secret until the end of the war in fear of reprisals by the occupying army.

Afterwards I’d read the manual, I found I could use the computer easily

One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them: 

Unless we leave a bowl of water under the sun, it will evaporate. 

The weightlifter who allegedly took performance-enhancing drugs have been named today.

Most pines grow rapidly and form straight, tall trunks that are ideally for lumber