Question

[Ea13j02 hslq_ea13j02_r] red stripes form in the draperies of caves due to reddish minerals such as _________.

a. limestone
b. iron oxide
c. carbon dioxide
d. calcium carbonate

Answer 1

Option (B)

Step-by-step explanation:

The presence of iron oxide minerals causes a reddish color in the rock. It is because when the rocks containing iron elements are exposed to the oxygenated environment, these iron minerals gets oxidized. In simple words, it can be said that the minerals undergoes rusting. Due to this, the minerals appears to be reddish or brownish in color.

Thus, the presence of iron minerals such as hematite, results in the appearance of reddish stripes in the draperies of caves.

Hence, the correct answer is option (B).

Answer 2

I think the correct answer from the choices listed above is option B. Red stripes form in the draperies of caves due to reddish minerals such as iron oxide. The said substance has a reddish color which contribute to the color said above. Hope this answers the question.