Another one that needs helping with

Need now! 45 points laboratory: weather map interpretation i need someone to answer the other two questions. i will give to the best answer!

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4

How will globalization most likely affect language around the world? no new languages will be created. nations will adopt a universal language. more languages will become extinct. english will become less prevalent. languages will grow more isolated and distinct.