How do plants produce chemical weathering?

a.
they secrete carbon dioxide that combines with water on the rocks and dissolves the minerals in the rocks.

b.
they secrete chemicals that allow them to ingest minerals in the rocks.

c.
they secrete acids that dissolve the minerals in the rocks.

d.
they secrete chemicals that freeze the water within the cracks of the rocks and break down the rocks.

What is the difference between the cultures of central asia and the caucasus region? the majority of people in central asia are muslim; the majority in the caucasus region are christian. the primary language in central asia is armenian; the primary language in the caucasus region is russian. central asia has been plagued by ethnic unrest; the caucasus region has had little ethnic conflict. the effects of soviet rule can still be seen in central asia; the caucasus region has developed its own identity since the fall of the ussr.