Question: There were four major HDTV systems tested by SMPTE in the late 1970s, and in 1979 an SMPTE study group released A Study of High Definition Television Systems:
Is there an answer to this question: What was released by an SMPTE study group in 1979?

Answer: A Study of High Definition Television Systems


Question: Finally, an introduced species may unintentionally injure a species that depends on the species it replaces. In Belgium, Prunus spinosa from Eastern Europe leafs much sooner than its West European counterparts, disrupting the feeding habits of the Thecla betulae butterfly (which feeds on the leaves). Introducing new species often leaves endemic and other local species unable to compete with the exotic species and unable to survive. The exotic organisms may be predators, parasites, or may simply outcompete indigenous species for nutrients, water and light.
Is there an answer to this question: What types of new nutrients can be introduced?

Answer: unanswerable


Question: Gephardt added that "inclusion and empowerment of the people on the line have to be done to get the best performance" from the minority party. Other techniques for fostering party harmony include the appointment of task forces composed of partisan colleagues with conflicting views to reach consensus on issues; the creation of new leadership positions as a way to reach out and involve a greater diversity of partisans in the leadership structure; and daily meetings in the Leader's office (or at breakfast, lunch, or dinner) to lay out floor strategy or political objectives for the minority party.
Is there an answer to this question: What did task forces for the public want to foster in the minority party?

Answer: unanswerable


Question: The pointed arch, one of the defining attributes of Gothic, was earlier incorporated into Islamic architecture following the Islamic conquests of Roman Syria and the Sassanid Empire in the Seventh Century. The pointed arch and its precursors had been employed in Late Roman and Sassanian architecture; within the Roman context, evidenced in early church building in Syria and occasional secular structures, like the Roman Karamagara Bridge; in Sassanid architecture, in the parabolic and pointed arches employed in palace and sacred construction.
Is there an answer to this question: Parabolic and pointed arches were used in what type of constrcution?

Answer:
palace and sacred construction