1.whaf idea justifies that huge volcanic eruption may cause the descrease of the Earth's Average temperature for a few years?
a.Heat is associated with a volcanic eruption
b.Light is associated with a volcanic eruption
c.Acid rain is associated with a volcanic eruption
d.Volcanic ash is associated with a volcanic eruption

2.which of the following characteristics of a volcano depends on its magma emission?
a.age
b.locations
c.shape
d.size

3.shield volcanoes are formed by the accumulation of non-viscious lava that oozes out from it. How would you describe this type of volcano?
a.narrow domed structure
b.large and has a narrow crater
c.broad, slightly domed structure
d. steep slope and has a wide cray

4.which of the following statements is NOT correct about how temperature affects the viscosity of the magma?
a.as lava flows, it cools and begins to harden
b.the viscosity of magma increases with temperature
c.the viscosity of magma descrease with temperature.
d.the lower the temperature the ability of magma to flow also descreases.

5.arrange the following statements to complete the process of how a phreatimagmatic volcano erupts.

I.base surges are observed
II.there's a contact between water and magma.
III.large columns of fine ash and pyroclastic are emitted

a.I, II, III
b.II, III, I
c.I, III, II
d.III, II, I​