2. Which is the best description of specialization? a. Voluntary trade
b. Having many trade relationships
c. Offering free trading
d. Focusing on a range of products that are readily available

c

explanation: because you need to reduce the pollution on land,the exhaust fumes will stop,and stop it in water,the oil that is in the oceanharms the fish   sorry if you   have been waiting long  

answer; continous;

answer; multidisciplinary;

answereruption of molten material; magnetic stripes in the rock of the ocean floor; the age of the rocks themselves;