Which substance combines with iron in the presence of water to form rust?
carbon dioxide
acid
nitrogen
oxygen
8 answers
oxygen
Which process is most likely responsible for the formation of limestone caves?
abrasion
carbonation
hydrolysis
oxidation
abrasion
carbonation
hydrolysis
oxidation
carbonation
Which option best describes hydrolysis?
water reacting chemically with minerals in rock
hydrogen in water combining chemically with substances in rock
carbon dioxide reacting with water to form an acid that dissolves minerals in rock
oxygen in water combining chemically with substances in rock
water reacting chemically with minerals in rock
hydrogen in water combining chemically with substances in rock
carbon dioxide reacting with water to form an acid that dissolves minerals in rock
oxygen in water combining chemically with substances in rock
water reacting chemically with minerals in rock
Which type of region would be most likely to support chemical weathering?
a polar region that is cold and dry all year long
a tropical region that is hot and humid all year long
a temperate region with warm summers and cold winters
a desert region with very little rain
a polar region that is cold and dry all year long
a tropical region that is hot and humid all year long
a temperate region with warm summers and cold winters
a desert region with very little rain
A tropical region that is hot and humid all year long
Bot is correct!