When _____ from milk, the remainder is called skim milk.

.

Many small birds use new places for each nesting, ____ large birds often reuse the same nest.

.

The aim of phonetics is____ an inventory and a description of the sounds observed in speech.

.

____ map dates back to about 3,000 B.C.

.

Plateaus are usually described as tablelands, ____ essentially flat-topped and stand visible above an adjacent land area.

.

Most leaves are coated with a waterproof ____ or cuticle.

.

Many contemporary craft objects are not____; however, they often have their roots in function.

.

____in the desert is chiefly due to the limited supply of desert water.

.

The socialization process accounts for ____ of societies through successive generations but also the ability of a society’s members to have meaningful interactions.

.

Some bird species have a song that is totally uninfluenced ____ environment during their development, whereas other species learn from other birds while young.

.

Although all spring water contains some dissolved minerals, it is ____ clean, as it has been filtered through permeable rocks.

.

Once called natural philosophy, physics has preserved ____ of understanding the structure of the natural world and explaining natural phenomena.

.

Not only ____ people to send words, music, and codes to any part of the world, it can also be used to communicate far into space.

.

Allegory is a literary device ____ another level of meaning is concealed within what is usually a story.

.

One of the world’s deepest caves, Pierre St. Martin in the Pyrenees Mountains, is almost three times as deep ____.

.

Lumbering, the remove of timber from the forest, is a major industry in the Northwest region of North America.

.

Generally speaking, people feel uncomfortable when the humidity rises over 60 percent because perspiration cannot evaporate fastly enough for the body to clear itself from excess heat.

.

Since most photographic filters work by subtract portions of visible light from the subject, they decrease the intensity of light that reaches the film.

.

Fluids exert equal pressure in all directions; have identical properties throughout their volume, and theoretically offering no resistance to flow in any direction.

.

Neuropsychology looks beyond brain functions for answer the question “How do emotions and attitudes can affect the process of aging?”

.

Reading has been regarded as an integrated part of language study than rather an isolated skill to be practiced out of context.

It has been estimated that during every second of our life, 10,000,000 red blood cells died and are replaced by new ones.

.

While infancy, the period from birth until the age of two, a child grows to approximately half of his or her adult height.

.

Although Peterson studied art in Paris, but his writings attracted much more interest than his paintings.

.

In a vacuum discharge tube at ordinary voltages and currents, neon glows reddish-orange and is the mostly intense of all the rare gases.

.

Rainbows are formed by the refraction of sunlight through falling raindrop.

.

Aluminum is a weak metal in its pure state, but when combined with elements such copper or magnesium, it forms alloys of great strength.

.

Winter broccoli has large, white heads similar to that of cauliflower, while sprouting broccoli produces numerous small purplish, green, or white clumps.

.

Periodic fires common spread across grasslands and play an important role in the maintenance and characteristics of these ecosystems.

.

Greenpeace, that is an international organization of environmental activists founded by Canadians, uses nonviolent means to protest and block activities it considers environmentally harmful.

.