Problem: '' Quest for the Silver Sword '' was written by William W. Connors . The adventure features cover art by Karl Waller and interior art by Jeff Easley .
'' Quest for the Silver Sword '' was written by William W. Connors , the adventure includes cover art by Karl Waller and interior - art of Jeff Easley .
OPTIONS:
- no
- yes
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A: yes

Problem: He predicted oscillating chemical reactions , in particular the Belousov -- Zhabotinsky reaction .
He has predicted oscillating chemical reactions , in particular the Belousov -- Zhabotinsky - reaction .
OPTIONS:
- no
- yes
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A: yes

Problem: Alander Mountain and the southern embankment of the western Taconic Mountains lie along the western border of Columbia County , New York , on the Mount Washington line .
Alander Mountain and the western escarpment of the southern Taconic Mountains lie along the western border of Mount Washington at the Columbia County , New York line .
OPTIONS:
- no
- yes
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A:
no