Answer:
The colour white is used to show barren land on topographical sheets.
Explanation:
Open scrub and seasonal streams are two features in the map that indicate the region has seasonal rainfall.
Rivers, steams and ponds/tanks are dry in nature.
Barren land shown in white colour also indicate tht the region has seasonal rainfall.
Crystallization
Carbonation
Oxidation
Hydrolysis
What statement you would need to include the information