PHOTOSYNTHESIS ADVERTISEMENT PLAY DAILY ALMANAC FIFTY STATES PRINT PAGE CITE NAVIGATION WORLD WORLD HISTORY TIMELINES FACTS WAR CURRENT EVENTS GEOGRAPHY RELIGION NATURAL DISASTERS ACCIDENT ARCHIVE GOVERNMENT EDUCATION LAWS RIGHTS NATIONAL LANDMARKS THE FIFTY STATES CITIES POPULATION RACE ETHNICITY POSTAL INFORMATION DOCUMENTS STATE FLAGS MAPS PEOPLE WOMEN INFLUENCE PRESIDENTS SCIENCE BIOLOGY EARTH SCIENCES NATURE HEALTH BODY PLANTS ANIMALS DINOSAURS CHEMISTRY PHYSICS WEATHER FOOD GENERAL SCIENCE COMPUTERS THE INTERNET TRANSPORTATION ASTRONOMY SPACE PERIODIC TABLE MATH NUMBERS TABLES FORMULAS MONEY MEASUREMENT FACTORS FRACTIONS LANGUAGE ARTS CREATURE CATALOG BOOKS GRAMMAR SPELLING SPEAKING LANGUAGE MYTHOLOGY HOMEWORK MATHEMATICS SOCIAL STUDIES WRITING RESEARCH LISTENING GAMES ROMAN NUMERAL CHALLENGE HANGMAN SAME GAME TIC TAC TOE HOLIDAYS CALENDARS CALENDAR PERPETUAL CALENDAR REFERENCE DESK ATLAS DICTIONARY ENCYCLOPEDIA FACT MONSTER FAVORITES NATIONAL POETRY MONTH EARTH DAY BOSTON MARATHON CONVERSION CALCULATOR POPULOUS CITIES OF THE WORLD COUNTRY PROFILES THE TALLEST BUILDINGS IN THE WORLD GREEK ROMAN MYTHOLOGY THESAURUS PLANTS PROCESS GREEN PLANTS ENERGY FROM THE SUN TRANSFORM CARBON DIOXIDE MINERALS OXYGEN ORGANIC COMPOUNDS EXAMPLE DEPENDENT EACH OTHER WATER THE ROOTS THE LEAVES CARBON DIOXIDE STOMATA THE CELLS THE GREEN PIGMENT CHLOROPHYLL CONVERTING ACTIVE ENERGY OF LIGHT NEED ORDER EXHALE HUMAN RELY FOR OURSELVES THE ANIMALS PLANT KINGDOM CARNIVOROUS PLANTS CITING YOUR SITE CONTACT FACTMONSTER ADVERTISE FACT POLICY TERMS OF USE LEARNING INFOPLEASE FUNBRAIN POPTROPICA SANDBOX PUBLISHING