Answer:
<u>d. Increase of the amount of CO2 in the atmosphere</u>
Streams flowing from mountainous terrain commonly flow across alluvial fans at the edges of the valleys. ... In arid and semiarid regions, seepage of water<span> from the stream can be the principal </span>source<span> of aquifer recharge.</span>
Answer:
Stratovolcanoes are common at subduction zones, forming chains and clusters along plate tectonic boundaries where oceanic crust is drawn under continental crust (continental arc volcanism, e.g. Cascade Range, Andes, Campania) or another oceanic plate (island arc volcanism, e.g. Japan, Philippines, Aleutian Islands).