Choose the correct answer to complete the sentence. "With clear evidence, his company couldn't deny having _____ a large quantity of toxins into the sea."

In his famous domes, architecture Buckminster Fuller utilized thousands of simple equilateral triangles linked together.

A nation's balance of trade is considered unfavorable if it ______________ more money on imports that it gains from exports. 

Lightning rods are used for to direct intense electrical bursts into the ground instead of into buildings and people

Established about 1300, the Acoma Pucblo in New Mexico is believed to be oldest continuously occupied settlement in the United States.

.................gold is perhaps .............. most highly treasured metal. A. the / X B. X / the C. the / the D. X / X

The British national anthem, calling “God Save the Queen”, was a traditional song in the 18th century.

What caused the explosion in the factory it is still unknown

To remove stains from permanent press clothing, carefully soaking in cold water before washing with a regular detergent.

The steam engine is usually thought of as a relative modern invention, but the Greeks built a kind of steam engine in ancient times

Don’t tell me I’m addicted to smoke if I only have three cigarettes a day!

Most of the damage property attributed to the San Francisco earthquake of 1906 resulted from the fire that followed .

Harry has been admitted to ..........School of Medicine at .......... Midwestern university. 

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

Bronze, after being heated by a strong flame, will change color, especially when exposure  to hydrogen .

Even the most discriminating gourmet will agree that food in the south is as good as any other regions in the country

Nutritionists recommend that foods from each of the four basic groups be eaten on a regularly daily basis

Choose the correct answer to complete the sentence. "______ they stopped deforestation, it might help prevent global warming"

The average salt content of seawater is more than three percents

The mayor and the council, meeting at the city hall as usual, they did not discuss the proposed new sports complex as planned .

In pools, goldfish are not just ornamental; since they feed on mosquito larva, they are also benefit.