Multiple choice

About how much rainfall falls annually?

  1. About 900cm

  2. About 900mm

  3. About 990mm

  4. About 990 cm

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Mesopotamia received approximately 990mm of rainfall annually, which was sufficient for dry farming techniques. This rainfall, combined with the region's fertile soil, allowed for consistent agricultural production.