Necesito la clasificación de las drogas de acuerdo a su origen porfavor

The color contrast between the open ocean and the lagoon between the spit and the mainland. the greater concentration of suspended sediments in the lagoon gives the waters a more turbid appearance. the source of sediment in the lagoon is (are) [(rivers and streams from the mainland) (wind-borne sediment from the spit) (ocean waves washing over the spit) (all of these contribute)].

Atown located beside a river derives a large percentage of its revenues each year from the local logging industry. however, heavy traffic to and from the logging sites has increased pollution and contributed to soil erosion. this has also resulted in the loss of native bird species in the logged forests. which of the following is the most sustainable solution to this problem? protecting certain forested areas to allow the birds to recover relocating the equipment and vehicles to new forests for logging relocating the birds to new forests away from the town introducing new bird species to replace the species that have been lost reducing the number of trucks traveling through the forest by 10 percent

Question 12 which was not a reason the industrial revolution began in england? a) leading world exporter b) favorable finance institutions c) independent local governments d) large labor force question 14 who did not lead the fight to end slavery? a) william wilberforce b) toussaint l’ouverture c) simón bolívar d) olympe de gouges question 15 which was not an underlying cause of the revolutions of 1830 and 1848 in europe? a) increasing aristocratic discontent b) budding romantic movement c) rising tide of nationalism d) growing liberal spirit