Which sentence is correct? a. a blimp is lighter-than air. b. a blimp is lighter-than-air. c. a blimp is lighter than-air. d. a blimp is lighter than air.

Match the definition to the word for a better understanding of the paragraph. 1 money does not buy happiness or security. 2john ringling, one of the five brothers of the ringling brothers circus, started out in 1884 with a trained horse and a performing bear. 3for over forty years, he worked hard at the family enterprise, bought up smaller circuses, and imported new acts. 4in the 1920s, he was rated as one of the world's wealthiest men and owned every sizable circus in the country. 5over 5,000 people were on his payroll, and over 240 railroad cars were in his retinue each time the circus moved. 6at the time of his death, however, he was a nervous, unhappy man; he was also bankrupt and beset by lawsuits. 7his carefully built circus empire passed into alien hands. 8all those years of work had turned to dust. 1. business organization alien 2. group beset 3. without funds to pay debts retinue 4. troubled or harassed enterprise 5. strange; belonging to another person, place, country, or thing bankrupt

One of the author’s purposes in the code book is to explain different types of codebreaking to his readers. which line best demonstrates this purpose? a theoretical breakthrough would be a fundamentally new way of finding alice's private key mathematicians have been studying factoring for centuries, and modern factoring techniques are not significantly better than ancient techniques a more recent development is the so-called tempest attack, which aims to detect the electromagnetic signals emitted . . in a computer's display unit if scientists could build a quantum computer, it would be able to perform calculations with . . enormous speed

How does the author introduces his idea of fish depletion in the first few pages of world without fish?