1.

1. A volcano is an opening or rupture in a planet s surface. P. Erupting volcanoes can pose many hazards. Q. This opening allows magma, ash and gases to escape from below the surface. R. Volcanic ash can be a threat to aircraft.S. Volcanoes are generally found where tectonic plates are diverging or converging. 6. Historically, so-called volcanic winters have caused catastrophic famines.

A. RSPQ
B. SQRP
C. SPQR
D. QSPR
Answer» E.


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