Why should travel agents be aware of the weather/climate of a destination?

Drastic boundary changes can occur for all of the following reasons except for a. a shift in the way a river flows b. the collapse of a government system c. a conflict between two neighboring groups d. one country's decision to sell land to another country select the best answer from the choices provide

Find a formal factor that connects egypt to africa to europe and to southwest asia

Heyi am new to are you all americans? ( just want to know , i don't mean any offence ) ?