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.

Compare demographic and environmental effects of the columbian

Why is immigration so important today?

Astate's representation in the u.s. senate is based on a) equal representation. b) the state's population. c) the state's electoral votes. d) the size of their major cities.this independent regulatory agency was created in 1974 to oversee and regulate the financing of political campaigns in the united states. a) warren cthis independent regulatory agency was created in 1974 to oversee and regulate the financing of political campaigns in the united states. a) warren commission (wc) b) federal election commission (fec) c) equal opportunity commission (eoc) d) securities and exchange commission (sec)