I think oxygen and carbon dioxide i'm not sure though
Look the question up on google and look at the different websites
B. a degree in law is the best choice
Domesticating animals learned it freshman year
Answer:
they are :
we can make close relations with the neighbour countries and gain benefits. We can export and import goods from neighbouring countries so that our economy increases. we can have help with the neighbouring countries if we are in a conflict with some other countries.