Answer:
you will see contour elevation numbers. This is the elevation of the contour line, relative to mean sea level. Contour lines that are relatively close together indicate a slope that is fairly steep.
Explanation:
The threat from acid deposition has been steadily increasing in the 21st century because of the increase in the number of industries during this period. The acid particles get trapped in the atmosphere and falls as raid on earth. These acid particles are increasing with the booming of the industrial sector.
Answer:
C. Europe wanted Africa's valuable resources
Explanation:
During this time, many European countries expanded their empires by aggressively establishing colonies in Africa so that they could exploit and export Africa's resources. Raw materials like rubber, timber, diamonds, and gold were found in Africa. Europeans also wanted to protect trade routes.