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dino8
''why did the dinosaorse disappear?''
Question | Answer |
---|---|
extinct | no longer living or existing |
brachiosaurs | a dinosaur with long necks nostrils above there eyes, and forelegs longer than hind legs |
stegosaurus | a dinosaur with a short neck, small head, and long hind legs |
triceratops | a dinosaur with a horn above each eye and a horn on its nose |
tyrannosaurs | dinosaurs with small forelimbs and and larg heads |
paleontologists | scientists who study forms of life existing in prehistoric times |
migrated | moved from one region to another |
adapt | to chang to fit new conditions |
pterosaur | an extinct flying reptile |
astroid | one of the thousands of small planets that orbit the sun. |
eruption | a sudden, violent burst |
geology | the study of the orgin of the earth |
iridium | a hard and brittle metal |
rift | an opening caused by splitting; a narrow crack in rock |
continents | the seven main land areas on the earth |
ancient | very old |
minerals | substances formed in the earth by nature |
geologist | scientists who study the origin,history, and structure of the earth |
molten | melted by heat |
convection | the tranfer of heat by motion, especially an upward motion |
atmospher | all the air aruond us |
climate | the usual weather that occurs in a place , including the average temperature and average amounts of rain or water |
aaverage | typical or usual level |
nitrogen | a colorless, odorless gas that makes up about four fifths of the atmosphere. All plants and animals need nitroge. |
oxygen | a colorless, oderless, tastlessn gas. It is needed for plants and animals to live. |
arigon | a colorless, oderless gas that makes up about oen persent of the earths atmosphere |
carbon dioxide | a colerless, odrless gas that is composed of carbon and oxygen and does not burn.It is produced when animals breath and when fuel containing carbon burns. |
methane | a colorless and, oderless gas that burns easly; used as fuil |
radiation | the process of giveing off energy in rays or waves |
meteorogists | scientists who study the atmosphere |
asborb | to take in and become part of |
equation | mathemaical statements to show that two things are equal |
economies | the managing of money and materals |
informed | awar;knowigable |