Question

fig 1.1
figure 1.1 above shows the rippled surface of a layer of ancient rock. this layer of rock gives evidence that water once flowed over its surface. the rock in figure 1.1 is most likely a type of
a
sedimentary rock.
b
volcanic rock.
c
metamorphic rock.
d
igneous rock.

Explanation:

Ripple marks are a key characteristic formed when sediment is deposited and shaped by flowing water, which is typical of sedimentary rocks. Volcanic/igneous rocks form from molten material, and metamorphic rocks form from heat/pressure, neither of which create this rippled surface from flowing water.

Answer:

A. sedimentary rock.