1. Which volcano type from the choices below can experience a plinian eruption?
ID: 111056 • Letter: 1
Question
1. Which volcano type from the choices below can experience a plinian eruption?
a. Stratovolcano/Composite b. cone c. inder cone Shield volcano
2. Water __________ when it freezes.
a. expands b. contracts c. stays the same
3. A very slow slide of unconsolidated material that travels as a unit is called:
a. slump b. soil creep c. debris flow d. mud flow
4. At the bend in a stream, the main erosion is __________.
a. on the outside of the bend
b. on the inside o the bend
c. both on the inside and the outside of the bend
5. All asteroids orbit Earth. (T/F)
Explanation / Answer
answer 1 - composite / stratovolcano
plinian kind of eruption is the most voilent kind of euption. which is common in volcanoes which erupts highly viscous and gaseous magmas like stratovolcanoes.
answer 2 - expands
water usually expands about 9% when it freezes.
answer 3 - slump
slump is a kind of mass wasting, in which loose unconsolidated mateial slides very slowly in a curved fashion.
answer 4 - on the outer side of the bend
in a meandering stream, erosion occurs at the outer bend because the velocity is maximum here while deposition occurs at inner bend.
answer 5 -false
most of the asteroids orbits the sun in an asteroid belt between the mars and jupiter.
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