![]() ![]() ![]() With age, the miner al content of human bones decreases, _ them more fragile. (A) to provide (B) be provided (C) providing (D) provided 11. Alaska found the first years of its statehood costly because it had to take over the expense of services _ prev iousl y by the feder al government. (A) as on (B) because (C) the way that (D) similarly 10. In bas-relief sculpture, a design projects very slightly from its background, _ some coins. (A) the area in whi ch dinosaurs roamed (B) when dinosaurs roamed the area (C) did dinosaur s roam the area (D) dinosaur s roaming the areaĩ. T he Chisos Mountains in Big Bend National park in Texas were created by volcanic eruptions that occurred _ _. (A) An artist who, prolific (B) Is a prolifi c artist (C) Prolific an artist (D) A prolific artist 8. _ the Canadian composer Barbara Pentland wrote four symphonies, three concertos, and an opera, among other works. (A) whose (B) which are (C) are when (D) which 7. ![]() Mango trees, _ densely covered with glossy leaves and bear small fragrant flowers, grow rapidly and can attain heights of up to 90 feet. (A) Most famous scientists achieve (B) That most famous scientists achieved (C) Most famous scientists who achieved (D) For most famous scientists to achieve 6. _ _ initial recognition while still quite young. (A) it is of use (B) it uses (C) it a useful (D) it useful 5. The sapph ire’ s transparency to ultraviolet and infrared radiation makes _ in optical instruments. (A) do they need (B) they need (C) they are needed (D) as they may need 4. According to some educators, the goal of teaching is to help students learn what _ to know to live a well- adjusted and successful life. (A) small enough (B) smaller than (C) so small (D) as small as 3. ![]() Computers that once took up entire rooms are now _ to put on desktops and into wristwatches. (A) the source (B) as source (C) the source which (D) because the source 2. The ponderosa pine is _ of the most of the timber used by forest- product firms in the Black Hills of South Dakota. ![]()
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