Passage: As a roller coaster puts the body through weightlessness

Answer: .......false...........

42. 
    Passage: In order to know what kind of Lies work best, successful liars need to accurately assess other people's emotional states. A person able to spot falsehood quickly is unlikely to be swindled by an unscrupulous business associate or hoodwinked by a devious spouse.
    

Question: To be a good liar, one has to understand other people's
emotions.

Answer: true..................

43. 
    Passage: Experience shows that for nations, as for individuals, it is critical to address problems sooner rather than later. Waiting significantly increases the costs and difficulties of addressing these challenges. Question: It would be better to wait a while to see how the situation develops, as fast decisions could create problems in the future.
    

Answer: ....false...........…

44. 
    Passage: Food production has kept pace with soaring populations mainly because of the expansion of artificial irrigation systems that make possible the growth of 40% of the world's food. Nearly one fifth of all the electricity generated worldwide is produced by turbines spun by the power of falling water.
    

Question: Feeding increasing populations is possible due primarily to improved irrigation systems.

Answer: .true............…

ed. A fingerprint is the arrangement of skin ridges and furrows on the tips of the fingers. This ridged skin develops fully during foetal development, as the skin cells grow in the mother's womb.
Question: The ridges and patterns that make up fingerprints develop before birth.

Answer: .....true.............

45. 
    Passage: Indeed, while there are an estimated 400 million bicycles in China, where it has long been the preferred form of transport, rapid economic growth has fuelled an explosive expansion in car ownership.