Problem: Mammal:

The epidermis is typically 10 to 30 cells thick; its main function is to provide a waterproof layer. Its outermost cells are constantly lost; its bottommost cells are constantly dividing and pushing upward. The middle layer, the dermis, is 15 to 40 times thicker than the epidermis. The dermis is made up of many components, such as bony structures and blood vessels. The hypodermis is made up of adipose tissue. Its job is to store lipids, and to provide cushioning and insulation. The thickness of this layer varies widely from species to species.

What is the typical thickness of the epidermis?
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A: 10 to 30 cells thick


Problem: Institute of technology:

The designation "Institute of Technology" is not applied at all, being meaningless in Portugal. However, there are higher education educational institutions in Portugal since the 1980s, which are called polytechnics. After 1998 they were upgraded to institutions which are allowed to confer bachelor's degrees (the Portuguese licenciatura). Before then, they only awarded short-cycle degrees which were known as bacharelatos and did not provide further education. After the Bologna Process in 2007, they have been allowed to offer 2nd cycle (master's) degrees to its students. The polytechnical higher education system provides a more practical training and is profession-oriented, while the university higher education system has a strong theoretical basis and is highly research-oriented.

What process was instituted in 2007 that brought Master's degrees to the polytechnic education system?
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A: Bologna Process


Problem: Light-emitting diode:

Since LED efficacy is inversely proportional to operating temperature, LED technology is well suited for supermarket freezer lighting. Because LEDs produce less waste heat than incandescent lamps, their use in freezers can save on refrigeration costs as well. However, they may be more susceptible to frost and snow buildup than incandescent lamps, so some LED lighting systems have been designed with an added heating circuit. Additionally, research has developed heat sink technologies that will transfer heat produced within the junction to appropriate areas of the light fixture.

What is LED lighting more susceptible to than incandescent light?
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A: frost


Problem: Copyright infringement:

In some countries, the personal copying exemption explicitly requires that the content being copied was obtained legitimately – i.e., from authorized sources, not file-sharing networks. Other countries, such as the Netherlands, make no such distinction; the exemption there had been assumed, even by the government, to apply to any such copying, even from file-sharing networks. However, in April 2014, the Court of Justice of the European Union ruled that "national legislation which makes no distinction between private copies made from lawful sources and those made from counterfeited or pirated sources cannot be tolerated." Thus, in the Netherlands, for example, downloading from file-sharing networks is no longer legal.

What does the personal copying exemption explicitly not need?
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A:
unanswerable