Question

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Question 1;

A sedimentary rock along a plate boundary is forced to sink below another plate during subduction. What will most likely happen to the rock immediately following subduction?

A. Cooling may change the sedimentary rock into igneous rock.

B. Increased heat and pressure may change the sedimentary rock into metamorphic rock.

C. Cementation may change the sedimentary rock into igneous rock.

D. Erosion and deposition may change the sedimentary rock into new sedimentary rock.

Question 2;

Antelope Canyon in Arizona is surrounded by sandstone, a sedimentary rock. What process most likely carved the canyon from the surrounding rock?

A. Weathering and erosion.
B. Melting
C. Subduction
D. Heat and pressure

Question 3;

Granite is a rock formed from the cooling of magma or lava. When granite is exposed to elements such as wind and water, it weathers and erodes and the particles are deposited. Pressure causes these and other particles to form sandstone at Earth's surface. What types of change occurs in this process?

A. Sedimentary rock becomes igneous rock.
B. Igneous rock becomes new igneous rock.
C. Igneous rock becomes sedimentary rock.
D. Sedimentary rock becomes new sedimentary rock.

Question 4;
A certain sample of limestone formed when shells from organisms were buried under layers of sediment and experienced pressure. A student classifies the sample as clastic sedimentary rock. What is one problem with this classification?

A. Clastic sedimentary rock forms because of a volcanic eruption, not because of weathering.
B. Clastic sedimentary rock forms deep below Earth's surface, not at Earth's surface.
C. Clastic sedimentary rock forms when materials are heated by nearby magma, not when they are exposed to pressure.
D. Clastic sedimentary rock forms from sediment, not from the remains of organisms.

Question 5;
A student wants to classify a certain metamorphic rock. Which of these features would show that the rock is foliated?

A. The rock is rich in calcium.
B. The rock has large crystals.
C. The grains of the rock are aligned in a layered patterns.
D. The fragments that make up the rock are coarse.

Answer 1

When a sedimentary rock undergoes subduction, it will change into metamorphic rock. Antelope Canyon was carved by weathering and erosion. Granite exposed to elements weathers and erodes to form sandstone. Limestone formed from organism remains is not classified as clastic sedimentary rock. Foliated rocks have aligned grains in a layered pattern.

Step-by-step explanation:

Question 1:

When a sedimentary rock is forced to sink below another plate during subduction, it will most likely undergo increased heat and pressure, resulting in a change into metamorphic rock. The high temperature and pressure conditions associated with subduction can lead to the recrystallization of minerals in the rock, altering its texture and composition.

Question 2:

The process that most likely carved the Antelope Canyon in Arizona from the surrounding sandstone, a sedimentary rock, is weathering and erosion. Over time, the action of wind and water can wear away the rock, creating distinct canyon features.

Question 3:

In the process described, the change that occurs is that the original granite, an igneous rock, becomes sedimentary rock (sandstone) due to weathering, erosion, and pressure.

Question 4:

The problem with classifying the limestone sample as clastic sedimentary rock is that clastic sedimentary rock forms from sediment, not from the remains of organisms. Limestone, made from the remains of organisms, is classified as an organic sedimentary rock.

Question 5:

If a rock is classified as foliated, one of the features that would show this is that the grains of the rock are aligned in a layered pattern. Foliated metamorphic rocks have a distinct alignment of minerals, giving them a layered appearance.

Answer 2

Question 1 - B

Question 2 - A

Question 3 - C

Question 4 - D

Question 5 - C

Step-by-step explanation:

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