The New book of knowledge, Volum 11An illustrated encyclopedia containing over 9,000 articles on history, literature, art and music, geography, myths and legends, mathematics, science, hobbies, holidays and festivals, games, sports, crafts, medicine, law, government, industry, politics, and other topics. |
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Side 43
In somewhat the same way, we depend on plants, animals, and the earth itself for
food, shelter, and clothing. The branch of science that deals with the ways in
which living things are related to one another and to their environment is called ...
In somewhat the same way, we depend on plants, animals, and the earth itself for
food, shelter, and clothing. The branch of science that deals with the ways in
which living things are related to one another and to their environment is called ...
Side 44
Animals take in the oxygen when they breathe. And when animals eat plants,
they take in the carbon and use it. Both plants and animals return carbon dioxide
(carbon combined with oxygen) to the environment. They return it to the air.
through ...
Animals take in the oxygen when they breathe. And when animals eat plants,
they take in the carbon and use it. Both plants and animals return carbon dioxide
(carbon combined with oxygen) to the environment. They return it to the air.
through ...
Side 195
ENDANGERED SPECIES All over the world there are species of animals and
plants that are said to be "endangered." By calling them endangered, scientists
are saying that they think the species will soon become extinct (disappear) if ...
ENDANGERED SPECIES All over the world there are species of animals and
plants that are said to be "endangered." By calling them endangered, scientists
are saying that they think the species will soon become extinct (disappear) if ...
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19th century actinide series Africa Age of Exploration Akhenaten alternating current American ancient animals became began British building built called canal century changes charge chemical church cities coast coil crust developed earth earthquake East eclipse Ecuador eels eggs Egypt Eisenhower electric current electric motor electronic music electrons elements elephants elevator energy engine England English Equatorial Guinea ERBIUM Eskimos Ethiopia Europe European explosives fish flow France Greek heat important Indian Indian elephant industry iron islands kilometers kind king land language lanthanide learned light live magnet ment metal meters modern mountains move nations North ocean oxygen painted Parliament plants plate poems poet poles pollution produce promethium radio River rock Roman schools scientists Soviet Spain steam surface tion United uosipg voltage vote waves William wire wrote