Question

1. the metamorphic rock ______________ usually forms when limestone is subjected to heat and pressure deep beneath the surface. p126
2. because the foliated metamorphic rock ______________ splits easily into flat

Explanation:

Question 6

To solve this, we recall the process of metamorphism. Limestone, a sedimentary rock, when subjected to heat and pressure (metamorphism) deep underground, transforms into marble. This is a key concept in geology (part of Natural Science, specifically in the subfield related to Earth Sciences/Geology).

Foliated metamorphic rocks have a planar structure. Slate (or schist, but slate is more fine - grained) is a foliated metamorphic rock that splits easily into flat sheets due to its foliation. This is a key characteristic of slate (or similar foliated rocks) in geology (part of Natural Science, Earth Sciences/Geology).

Answer:

marble

Question 7 (assuming the intended rock is "slate" or "mica schist" but a common one that splits into flat sheets is "slate" or more accurately "mica schist" but a very common foliated metamorphic rock that splits easily into flat pieces is "slate" or "phyllite" or "schist", but the most common one associated with splitting into flat sheets is "slate" or "mica schist". However, a very common answer here is "slate" or "schist", but the most typical one for splitting into flat sheets is "slate" (or "mica schist"). But if we consider the most common foliated rock that splits into flat pieces, "slate" is a good candidate. Alternatively, "mica schist" but "slate" is more basic. Wait, another common one is "slate" or "phyllite". But the most common answer for a foliated metamorphic rock that splits easily into flat pieces is "slate" (or "mica schist"). However, let's check: Foliated metamorphic rocks have a layered or banded appearance. Slate is a fine - grained foliated metamorphic rock that splits easily into flat sheets. Schist also has foliation but is coarser. But for the context of "splits easily into flat" the answer is likely "slate" or "mica schist". But maybe the intended answer is "slate" or "schist". Wait, another common one is "slate" (from shale metamorphism) which splits into flat sheets. So: