Answer:
it's 60
Explanation:
Im only gathering this information from the little information you have provided
Groundwater<span> also can </span>cause erosion<span> under the surface. As water flows through the soil, acid is formed. ... Minerals that are carried in </span>groundwater<span> can also be </span>deposited<span> in other places. This cycle of </span>erosion and deposition<span> can </span>cause <span>underground caves to form.</span>
The invasion of Kuwait led to a United Nations Security Council embargo and sanctions on Iraq and a U.S.-led coalition air and ground war, which began on January 16, 1991, and ended with an Iraqi defeat and retreat from Kuwait on February 28, 1991.
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:
Localizada entre 15 e 35 quilômetros de altitude e com cerca de 10 km de espessura, contém aproximadamente 90% do ozônio atmosférico.