Rhyolitic lavas ____________.
A) do not flow as far from the vent as basaltic lavas do
B) cool much more slowly than basaltic lavas do
C) are associated with volcanoes that almost never emit pyroclastic debris
D) all of the above

Question

Quizplus · Accepted Answer

Rhyolitic lavas have a high viscosity and therefore do not flow as far from the vent as basaltic lavas do.

Answer: B
 Rhyolitic lavas have a high silica content, which means they cool much more slowly than basaltic lavas do.

Answer: C is incorrect and D is not a valid answer as it includes C.

Rhyolitic Lavas ____________