Answer:
Natural factors that have negatively affected the Great Wall include thousands of years of sunshine, rain, wind, storms, mudslides, and earthquakes. Human activities cause considerable damage to the Great Wall.
Explanation:
sunshine, rain, wind, storms, mudslides, earthquakes
Human activities cause considerable damage to the Great wall.
hey sorry if this is wrong but I think its c for question 1 and options 1 and 3 for question 2