10. what type of plate boundary can be found where the nazca plate and the pacific plate meet at location a?
11. what type of plate boundary can be found where the north american plate and the pacific plate meet at location b?
12. what type of plate boundary can be found where the indo - australian plate and the eurasian plate meet at location c?
13. the south american plate and the african plate are likely to experience what type of crustal feature?
a. oceanic volcanoes
b. rift valley
c. subduction
d. mid - ocean ridge
14. the andes mountains in south america are volcanic mountains formed by –
a. dense continental plate subducting under oceanic plate
b. dense oceanic plate subducting under continental plate
c. a convergent boundary
d. both a and c
e. both b and c
15. according to the map above, what crustal feature is likely occurring on the western side of the north american plate boarding the pacific plate?
a. earthquakes
b. volcanic mountains
c. deep - sea trenches
16. ______ occurs when energy that has been building up is suddenly released as it slips.
a. volcanic eruptions
b. faults
c. earthquakes

Question

10. what type of plate boundary can be found where the nazca plate and the pacific plate meet at location a?
11. what type of plate boundary can be found where the north american plate and the pacific plate meet at location b?
12. what type of plate boundary can be found where the indo - australian plate and the eurasian plate meet at location c?
13. the south american plate and the african plate are likely to experience what type of crustal feature?
    a. oceanic volcanoes
    b. rift valley
    c. subduction
    d. mid - ocean ridge
14. the andes mountains in south america are volcanic mountains formed by –
    a. dense continental plate subducting under oceanic plate
    b. dense oceanic plate subducting under continental plate
    c. a convergent boundary
    d. both a and c
    e. both b and c
15. according to the map above, what crustal feature is likely occurring on the western side of the north american plate boarding the pacific plate?
    a. earthquakes
    b. volcanic mountains
    c. deep - sea trenches
16. ______ occurs when energy that has been building up is suddenly released as it slips.
    a. volcanic eruptions
    b. faults
    c. earthquakes

Accepted Answer

### Question 10
# Brief Explanations:
The Nazca Plate and Pacific Plate at location A are moving apart (divergent boundary? Wait, no—wait, Nazca and Pacific: actually, the Nazca Plate and Pacific Plate meet at a convergent boundary? Wait, no, the Nazca Plate is oceanic, and when two oceanic plates meet, or Nazca and Pacific: wait, the Nazca Plate is being subducted? No, wait, the boundary between Nazca and Pacific: actually, the Nazca Plate and Pacific Plate have a convergent boundary? Wait, no, the correct type here: the Nazca Plate and Pacific Plate meet at a convergent boundary? Wait, no, the Nazca Plate is moving towards the South American Plate, but at location A (between Nazca and Pacific), actually, the Nazca Plate and Pacific Plate: the Nazca Plate is oceanic, and when two oceanic plates converge, one subducts. But wait, the arrows: if the arrows are moving towards each other? Wait, the map shows arrows. Wait, the Nazca Plate and Pacific Plate at location A: the correct plate boundary type is convergent? Wait, no, maybe I got it wrong. Wait, the Nazca Plate and Pacific Plate: the boundary between them is a convergent boundary? Wait, no, the Nazca Plate is subducting under the South American Plate, but at location A (between Nazca and Pacific), maybe it's a convergent boundary? Wait, no, the correct answer for Q10: the boundary between Nazca and Pacific Plate is a convergent boundary? Wait, no, let's recall: the Nazca Plate and Pacific Plate meet at a convergent boundary (subduction zone), but actually, the Nazca Plate is oceanic, and when two oceanic plates converge, one subducts. But the question is about Nazca and Pacific. Wait, maybe the correct type is convergent (subduction) or divergent? Wait, no, the Nazca Plate is moving towards the east, and the Pacific Plate is moving towards the west? Wait, no, the arrows: if the arrows at location A are pointing towards each other, then it's convergent. Wait, the correct answer for Q10 is convergent boundary? Wait, no, maybe I'm mixing up. Wait, the Nazca Plate and Pacific Plate: the boundary between them is a convergent boundary (subduction zone), so the type is convergent (or more specifically, ocean - ocean convergent, subduction). But the question is asking for the type. So the answer is convergent boundary (or subduction zone, but the general type is convergent). Wait, no, let's check: the Nazca Plate and Pacific Plate meet at a convergent boundary (subduction), so the type is convergent. Wait, no, maybe the correct answer is convergent boundary (subduction). But let's confirm: plate boundaries: divergent (moving apart), convergent (moving together), transform (sliding past). At location A, between Nazca and Pacific, the plates are moving towards each other (convergent), so the type is convergent boundary (specifically, ocean - ocean convergent, subduction). So the answer is convergent boundary (or subduction zone, but the general type is convergent).

# Answer:
Convergent boundary (or more specifically, ocean - ocean convergent/subduction zone)

### Question 11
# Brief Explanations:
The North American Plate and Pacific Plate at location B: this is the San Andreas Fault area, which is a transform boundary (plates slide past each other). The arrows at location B: if they are sliding past (transform), then the type is transform boundary.

# Answer:
Transform boundary

### Question 12
# Brief Explanations:
The Indo - Australian Plate and Eurasian Plate at location C: these are two continental plates converging (since both are continental), so the boundary type is convergent (continental - continental convergent), which forms mountains (like the Himalayas). So the type is convergent boundary (continental - continental).

# Answer:
Convergent boundary (continental - continental)

### Question 13
# Brief Explanations:
The South American Plate and African Plate: these plates are moving apart (divergent boundary), which is part of the Mid - Atlantic Ridge system. At divergent boundaries between two continental plates (or between South American and African, which were once part of Pangea and are now moving apart), the crustal feature is a rift valley (but when they are oceanic, it's a mid - ocean ridge, but South American and African plates: the boundary between them is the Mid - Atlantic Ridge, which is a divergent boundary. Wait, the South American and African plates: the boundary between them is a divergent boundary (mid - ocean ridge), but the options are: A. Oceanic Volcanoes, B. Rift Valley, C. Subduction, D. Mid - Ocean Ridge. Wait, the South American and African plates: the boundary between them is the Mid - Atlantic Ridge, which is a mid - ocean ridge (divergent boundary). So the crustal feature is a mid - ocean ridge. But let's check the options: D is Mid - Ocean Ridge. So the answer is D.

# Answer:
D. Mid - Ocean Ridge

### Question 14
# Brief Explanations:
The Andes Mountains are formed by the subduction of the dense oceanic Nazca Plate under the continental South American Plate (convergent boundary). So option B: Dense oceanic plate subducting under continental plate, and option C: A convergent boundary. So both B and C are correct, so E.

# Answer:
E. Both B and C

### Question 15
# Brief Explanations:
On the western side of the North American Plate bordering the Pacific Plate, this is a convergent boundary (subduction zone) with transform boundaries (San Andreas). The crustal features here include earthquakes (due to plate movement), volcanic mountains (from subduction), and deep - sea trenches. But the question is what is likely occurring. The western side of North American Plate (Pacific boundary) has earthquakes (A), volcanic mountains (B), and deep - sea trenches (C). But let's check the options: A is Earthquakes, B is Volcanic mountains, C is Deep - Sea trenches. All are possible, but the question is which is likely. Wait, the western side of North American Plate (Pacific boundary) has the San Andreas Fault (transform, earthquakes), Cascade Range (volcanic mountains), and deep - sea trenches (like the Aleutian Trench). But the options are A, B, C. Wait, the question is "what crustal feature is likely occurring". Let's see the options: A. Earthquakes (due to plate movement), B. Volcanic mountains (from subduction), C. Deep - Sea trenches (from subduction). But the western side of North American Plate: the deep - sea trenches are offshore, but the question is about the western side (boarding the Pacific Plate). Wait, maybe the answer is A. Earthquakes, because the San Andreas Fault is a transform boundary with frequent earthquakes. But also, volcanic mountains and deep - sea trenches. Wait, the options: A, B, C. Let's check the map: the western side of North American Plate (Pacific boundary) has the San Andreas Fault (transform, earthquakes), so earthquakes are likely. So the answer is A.

# Answer:
A. Earthquakes

### Question 16
# Brief Explanations:
When energy built up is suddenly released as plates slip, this is an earthquake. Volcanic eruptions are related to magma, faults are the cracks, but earthquakes occur when energy from plate movement is released suddenly. So the answer is C.

# Answer:
C. Earthquakes

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