42.

Which of the following is not a main economic activity in many South American countries?

mining

oil extraction

agriculture

manufacturing

Select all of the answers that apply. What are the possible causes of the Late Devonian extinction? a. asteroid hitting the earth b. sea level changes c. overpopulation of sea organisms d. growth of land forests e. climate changes

Na fotografi przedstawiono przykłady gór o odmiennej genezie występujące w europie

Which region of Mexico contains deposits of oil and natural gas? a. central Mexico c. Gulf lowlands b. northern Mexico d. southern Mexico

Which of the following are qualities necessary for a historian? patient happy corrupt versatile didactic tenacious imaginative stubborn good judgment honest unprejudiced accurate pugnacious moral

Which civilization developed along the spine of the Andes mountains, was rich in silver, gems, and gold, and built its capital city of Cuzco in a fertile valley? a. Maya b. Aztec. Inca d. Olmec

Which of the following is not a natural cause of climatic change? A. Human activity B. Solar activity C. Earth's tilt D. Volcanic activity

Where are the cool and the hot regions of the mantle located under?

Limited water resources have promoted scientist developed ways to remove salt from seawater to make it usable for drinking in farming this process is called

The internet and cell phones are examples of what media

What is the difference between the windward and leeward side of a mountain?