14. When compared to andesitic lavas, what characteristics of basaltic lavas
will be shown?
A lower in viscosity and it retains dissolved gases.
B. higher in viscosity and it retains dissolved gases. .
C. lower in viscosity and it easily releases dissolved gases.
D. higher in viscosity but it easily releases dissolved gases.
15. Water vapor is one of the dissolved gases released by erupting volcano. It
is present in large amounts, and is considered harmless. When will it
become harmful to the living things and environment?
A. when it is in the lower atmosphere
B. when it is in the middle atmosphere
c. when it is in the upper atmosphere
D. when it combines with other dissolved gases​