Question: Read this and answer the question

The principal battles of the stalemate include the Battle of Bloody Ridge (18 August15 September 1951), the Battle of the Punchbowl (31 August-21 September 1951), the Battle of Heartbreak Ridge (13 September15 October 1951), the Battle of Old Baldy (26 June4 August 1952), the Battle of White Horse (615 October 1952), the Battle of Triangle Hill (14 October25 November 1952), the Battle of Hill Eerie (21 March21 June 1952), the sieges of Outpost Harry (1018 June 1953), the Battle of the Hook (2829 May 1953), the Battle of Pork Chop Hill (23 March16 July 1953), and the Battle of Kumsong (1327 July 1953).

What year was the Battle of Bloody Ridge?
Answer: 1951
Question: Read this and answer the question

More than half of habitat for listed species is on non-federal property, owned by citizens, states, local governments, tribal governments and private organizations. Before the law was amended in 1982, a listed species could be taken only for scientific or research purposes. The amendment created a permit process to circumvent the take prohibition called a Habitat Conservation Plan or HCP to give incentives to non-federal land managers and private landowners to help protect listed and unlisted species, while allowing economic development that may harm ("take") the species.

Who owns the majority of critical habitat?
Answer: non-federal property, owned by citizens, states, local governments, tribal governments and private organizations
Question: Read this and answer the question

There are quite a few different dielectrics that can be chosen to provide different insulating values depending on the requirements of the circuit. Some of these dielectrics are polytetrafluoroethylene (Teflon), FR-4, FR-1, CEM-1 or CEM-3. Well known pre-preg materials used in the PCB industry are FR-2 (phenolic cotton paper), FR-3 (cotton paper and epoxy), FR-4 (woven glass and epoxy), FR-5 (woven glass and epoxy), FR-6 (matte glass and polyester), G-10 (woven glass and epoxy), CEM-1 (cotton paper and epoxy), CEM-2 (cotton paper and epoxy), CEM-3 (non-woven glass and epoxy), CEM-4 (woven glass and epoxy), CEM-5 (woven glass and polyester). Thermal expansion is an important consideration especially with ball grid array (BGA) and naked die technologies, and glass fiber offers the best dimensional stability.

To what type of packaging is thermal expansion particularly critical?
Answer:
ball grid array