The leader emphasized the need justice and equality between his people.

Nuclear energy, despite its early promise as a source of electrical power, is still insignifican compared with older and safer energy sources.

Since light spreads out all directions, a light viewed from a great distance appearing dimmer than it actually is.

Located in Canada, the Columbia Ice field covers of 120 square miles and is 3,30 feet thick in some places

When a simple action such as lifting one’s arm is performed, the work is divided between three different muscle groups

Society changes, but not change at the same rate or in the same direction.

Everything is alright, ________?

Men and women in the Peace Coips work with people in developing countries to help them improving living conditions.

I put my new book of zoology here on the desk few minutes ago, but I cannot seem to find it.

The most of the energy used in our homes and factories is generated coal, oil and natural gas

All almost electricity for industrial use comes from large generators driven by steam turbines.

I like the village _________ I used to live.

Without alphabetical order, dictionaries would be impossibility to use

How many people _____ in the storm a few days ago? 

Disease is not as widespread than before because of better preventive medicine and vastly improved nutrition

Each chemical element is characterized to the number of protons that an atom of that element contains, called its number.

Before the Industrial Revolution come to America, the vast majority of the population had lived in areas.

The sum of all chemical reactions in organism’s living cells are called its metabolism

Mukai Chiaki, the first female Japanese astronaut, ……….. 15 days aboard the space shuttle Columbia in space before it …….. to the Earth on July 23,1994.

Some jellyfish make daily journeys from deep water to surface and back, while others migrate horizontal

Do it right now, ______?