1. Each of the bones that form the backbone is called a _______   rib   spine   vertebra   lobe   Hint Half-n-half Clue   2. The _______ is an insect that lives for only a short time in spring.   mayfly   mosquito   firefly   cricket   Half-n-half Clue   3. _______ is a feverish disease spread by mosquitoes.   Typhoid   Cholera   Malaria   Meningitis   Half-n-half Clue   4. In which country is the Hwang Ho river located?   Indonesia   Thailand   Malaysia   China   Half-n-half Clue   5. Diamonds are very hard precious stones, which are a form of _______   hydrogen   carbon   oxygen   nitrogen   Half-n-half Clue   6. Which of these is a very heavy and dense metal used extensively in nuclear plants?   Lithium   Sodium   Aluminum   Uranium   Half-n-half Clue   7. Of which country is Kuala Lumpur the capital?   Indonesia   Thailand   China   Malaysia   Half-n-half Clue