20. based on the maps and your knowledge of world history, which of the following best describes the efect of the spread of islam on indian ocean trade?

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

Ateam of researchers calculates that a glacier will melt completely away in the next 100 years. which land structure will most likely be left behind after the glacier melts?

What does 2[tex] {2}^{ - 4} \times {2}^{ - 2} [/tex]