The given map shows the middle east trade routes that spread from the morocco tip to the parts of the Rajasthan desert in India. It shows as Islam spread so did the trade routes from the morocco to the east of the middle east and the trade of sorts of goods and species and the raw materials took place.
A C and D. It cannot be b because scientists have warned people in the past about volcanoes and their possibility for erupting. Earthquakes cannot be predicted however there are warning signs one can look for.
