Photoionization Detectors (PIDs) are the easiest and most efficient way to detect VOC levels. Although not as selective without the use of a gas chromatography column, a stand alone PID provides real time measurement of total volatile organic compounds in a portable format that anyone can use.
Ethnic: natural community of men with racial, linguistic, religious or cultural affinities. Understand that Native Americans is not a race but an ethnicity. The race of the native Americans of all the American Continent is Mongoloid.The paleoanthropological and genetic evidence demonstrates that approximately 14,500 years ago the Mongoloids crossed the Bering Stretch.re you referring to American Indians or Indians from India, In either case there is your answer Historically, India Indians are of the Caucasoid race, while Native Americans â¦ are of the Mongoloid race. Of course today, there is no biological basis for race. 3 people found this useful.
Native Americans, such as their fine art work. Yes-the people of the Southwest are known for their beautiful silver and turquoise jewelry. The people of the Northwest Coast are known for their fantastic woodcarvings. The Plains Indians are well known for their beautiful beadwork. But other than art, the Native Americans have influenced many areas of American living. Some of these things were begun long before the arrival of the European settlers on North American land. DID YOU KNOW THAT ONE OF THE MOST IMPORTANT ASPECTS OF NATIVE AMERICAN LIFE IS ECOLOGY? People of today have just begun to think about this. The Native Americans have always had a deep respect for the land. There was a love of every form of life. The Native Americans did not kill anything they could not use. They never killed an animal or a fish for the sport of it. Fishing and hunting were a way to survive. The Native Americans lived in harmony with nature and did not abuse the natural world. Native Americans were ecologists long before they were ever used.