Problem: Some non-standard USB devices use the 5 V power supply without participating in a proper USB network, which negotiates power draw with the host interface. These are usually called USB decorations.[citation needed] Examples include USB-powered keyboard lights, fans, mug coolers and heaters, battery chargers, miniature vacuum cleaners, and even miniature lava lamps. In most cases, these items contain no digital circuitry, and thus are not standard compliant USB devices. This may cause problems with some computers, such as drawing too much current and damaging circuitry. Prior to the Battery Charging Specification, the USB specification required that devices connect in a low-power mode (100 mA maximum) and communicate their current requirements to the host, which then permits the device to switch into high-power mode.
What do some non-standard USB devices use?
The answer is the following: the 5 V power supply without participating in a proper USB network

Problem: The area now known as Tennessee was first inhabited by Paleo-Indians nearly 12,000 years ago. The names of the cultural groups that inhabited the area between first settlement and the time of European contact are unknown, but several distinct cultural phases have been named by archaeologists, including Archaic (80001000 BC), Woodland (1000 BC1000 AD), and Mississippian (10001600 AD), whose chiefdoms were the cultural predecessors of the Muscogee people who inhabited the Tennessee River Valley before Cherokee migration into the river's headwaters.
What do archaeologists call the cultural phase of the inhabitants of Tennessee between 1000 BC and 1000 AD?
The answer is the following: Woodland

Problem: Carnival was introduced by Portuguese settlers. The celebration is celebrated on each of the archipelago's nine inhabited islands. In Mindelo, Sao Vicente groups challenge each other for a yearly prize. It has imported various Brazilian carnival traditions. The celebration in SaoNicolau is more traditional, where established groups parade through the Ribeira Brava, gathering in the town square, although it has adopted drums, floats and costumes from Brazil. In Sao Nicolau three groups, Copa Cabana, Estrela Azul and Brilho Da Zona constructs a painted float using fire, newspaper for the mold, iron and steel to for structure. Carnival Sao Nicolau is celebrated over three days: dawn Saturday, Sunday afternoon, and Tuesday.
Over how many days is Sao Nicolau's Carnival celebrated?
The answer is the following: three

Problem: On October 2, 1997, it was reported that Khrushchev's son Sergei claimed Khrushchev was poised to accept Kennedy's proposal at the time of Kennedy's assassination on November 22, 1963. During the next few weeks he reportedly concluded that both nations might realize cost benefits and technological gains from a joint venture, and decided to accept Kennedy's offer based on a measure of rapport during their years as leaders of the world's two superpowers, but changed his mind and dropped the idea since he did not have the same trust for Kennedy's successor, Lyndon Johnson.
How did US President Kennedy die?
The answer is the following:
assassination