What does Spatial Exchange (Diffusion) mean in World Geography?

Which of the following emerging technologies uses the principle of chromosomes to identify suspects

Why did the united states lead a coalition to invade iraq in 1991? o a. there was a fundamentalist revolution in iraq. o b. iraq had invaded iran. o c. an oil embargo had started in the middle east, o d. iraq had invaded kuwait.

Do larger countries receive more money in remittances than smaller countries