88. The Suez canal connects the

A. Baltic sea and the Caspian sea
B. Mediterranean sea and the Red sea
C. Red sea and the Caspian sea
D. Mediterranean sea and the North sea
✅ The correct answer is option B.
The Suez Canal is an artificial sea-level waterway in Egypt, connecting the Mediterranean Sea to the Red Sea through the Isthmus of Suez. Constructed by the Suez Canal Company between 1859 and 1869, it officially opened on 17 November 1869.

89. The most important factor that is affecting all the chemical weathering processes is

A. vegetation
B. topography
C. climate
D. None of the above
✅ The correct answer is option C.
The kinds of chemical processing include hydrolysis, solution, oxidation, reduction, hydration, and carbonation. The chemical weathering process is most affected by the climate, because climatic conditions control the rate of weathering.

90. The land-sea distribution or the positions of the world’s continents and major oceans influences

A. the major pressure belts that develop from the general circulation of the atmosphere
B. the development of the mid-latitude cyclonic depressions, at the convergence zone between polar and
C. both (a) and (b)
D. None of the above
✅ The correct answer is option C.
both (a) and (b)