TPO32
starting in the 1960s and continuing until the 1980s, sailors in Russian submarines patrolling the North Atlantic and Arctic ocean would occasionally hear strange sounds. there is no one who know what was the reason that had caused this odd sounds and several theories that proposed what might have caused the odd sounds is not exactly true. the first reason, this theory that suggests that the strange noises were actually the calls of male and female orca whales during a courtship ritual is unlikely tobe true because submarines live in the deep of ocean and orca whales live in the surface water. the second reason, the sounds were caused by giant squid might be right but there is no reason for hearing the noise by approaching the submarines out of curiosity. the third reason, the submarines can not change direction easily so there is no possible that the strange frog like sounds may have been emitted by the foreign submarines unintentionally.
- In 1938 an archaeologist in Iraq acquired a set of clay jars that had been excavated two years earlier by villagers constructing a railroad line The vessel was about 2 200 years old Each clay jar contained a copper cylinder surrounding an iron rod The arc 100
- TPO 30
- Do you agree or disagree with the following statement It is better to live in one town or city all your life than to move from one place to another Use specific reasons and examples to support your answer 60
- Many consumers ignore commercial advertisements. In response, advertising companies have started using a new tactic, called “buzzing." The advertisers hire people, buzzers, who personally promote (buzz) products to people they know or meet. The key 76
- Ethanol fuel, made from plants such as corn and sugar cane, has been advocated by some people as an alternative to gasoline in the United States. However, many critics argue that ethanol is not a good replacement for gasoline for several reasons.First, th 66