LATEST VERIFIED UPDATE: ESS 101 A+ QUESTIONS AND
ANSWERS.
Over the life history of a strato volcano the magma may become________ and the
eruptions _________.
a. more silica-rich, more explosive
b. more silica-rich, less explosive
c. less silica-rich, more explosive
d. less silica rich, less explosive
e. none of the above answers are correct, as the magma composition does not
change over time
a
Which of the following is not a soil forming process?
a. transformation of primary FeO to secondary Fe2 O3
b. translocation of clay mineral from the A to B horizon
c. eluviation of soluble cations from the soil profile
d. hydration of void spaces between soil particles following a precipitation event
e. illuviation of calcium carbonate in the B horizon
d
Which soil horizon forms in acidic boreal forest soils and contains no organic
matter (bleached horizon)
,a. O horizon
b. A horizon
c. E horizon
d. B horizon
e. C horizon
c
(lab) In the geologic time lab we observed invertebrate fossils.
a. one
b. two
c. three
d. four
e. no
c
(lab) What information could you get from the mineral content of a metamorphic
rock?
a. the protolith of the metamorphic rock
b. temperature and pressure conditions when the metamorphic rock formed
c. the geographic location where the metamorphic rock formed
, d. all of the above answers are correct
e. none of the above answers are correct
b
(lab) What diagnostic criteria did you use to identify the sedimentary
conglomerate
a. tiny clay-sized particles
b. large rounded clasts within the rock matrix
c. large angular clasts within the rock matrix
d. reaction with HCl
e. stratified layers
b
(lab) Which of the following conditions on a slope will not increase the likelihood
of landslides?
a. increasing the slope angle
b. removing water the soil
c. increasing the weight on the slope
d. removing the vegetation on a slope
e. all of the conditions would increase the likelihood of landslides
b
ANSWERS.
Over the life history of a strato volcano the magma may become________ and the
eruptions _________.
a. more silica-rich, more explosive
b. more silica-rich, less explosive
c. less silica-rich, more explosive
d. less silica rich, less explosive
e. none of the above answers are correct, as the magma composition does not
change over time
a
Which of the following is not a soil forming process?
a. transformation of primary FeO to secondary Fe2 O3
b. translocation of clay mineral from the A to B horizon
c. eluviation of soluble cations from the soil profile
d. hydration of void spaces between soil particles following a precipitation event
e. illuviation of calcium carbonate in the B horizon
d
Which soil horizon forms in acidic boreal forest soils and contains no organic
matter (bleached horizon)
,a. O horizon
b. A horizon
c. E horizon
d. B horizon
e. C horizon
c
(lab) In the geologic time lab we observed invertebrate fossils.
a. one
b. two
c. three
d. four
e. no
c
(lab) What information could you get from the mineral content of a metamorphic
rock?
a. the protolith of the metamorphic rock
b. temperature and pressure conditions when the metamorphic rock formed
c. the geographic location where the metamorphic rock formed
, d. all of the above answers are correct
e. none of the above answers are correct
b
(lab) What diagnostic criteria did you use to identify the sedimentary
conglomerate
a. tiny clay-sized particles
b. large rounded clasts within the rock matrix
c. large angular clasts within the rock matrix
d. reaction with HCl
e. stratified layers
b
(lab) Which of the following conditions on a slope will not increase the likelihood
of landslides?
a. increasing the slope angle
b. removing water the soil
c. increasing the weight on the slope
d. removing the vegetation on a slope
e. all of the conditions would increase the likelihood of landslides
b
