The most unreliable variable in diagnosing the property
minerals such as quartz is their color as it is not consistent with the use of
such external factors. The color could change, that is why it is considered to
be unreliable in diagnosing some of the minerals.
Answer:
true
Explanation:
we do many things and build homes where animals lived in there environments
Answer:
Explanation:
Buy present is antecedent
The reddish-orange colour of weathering of volcanic ash is most likely due to its iron sulfide content which oxidizes to iron oxide so that limonite is yellow and hematite is red and in ash since it is such fine grained material it weathers more rapidly because it has a large surface area.
