Answer:
It was larger in size and population than Egypt and Mesopotamia
Step-by-step explanation:
The Harappan civilization which was between 2500 to 1800 BC was believed to be bigger than both the Egyptian and Mesopotamia civilizations both in size and landscape. According to research, it was 12 times bigger than a combined Egypt and Mesopotamia civilization. It also had a peak of 6 million inhabitants compared to Egypt that has 1.5 million people and Mesopotamia that has little above 50 thousand individuals.
Hence, the right answer is "It was larger in size and population than Egypt and Mesopotamia"