Which of the following is negatively affected by both damming and deforestation?
a.
grazing
b.
biodiversity
c.
soil fertilization
d.
greenhouse gas emissions

The lines marked by the letters a, b, and c on the map above represent a. chains of volcanoes b. earthquake fault lines c. thin strips of heavy forests d. major rivers that flow from north to south

Read the article titled "trans-saharan migration routes to north africa and the eu: historical roots and current trends." why do tens of thousands of sub-saharan africans try to cross the mediterranean each year? how are these refugees commonly portrayed? (site 1)

Which season occurs in the northern hemisphere when the sun is at its lowest point in the sky