Answer: Development of irrigation systems to provide food for themselves
Explanation:
The Indus River valley achievements could be seen in how they developed their irrigation system to provide food for themselves. Enlisted are the following achievements they made;
1) They developed a uniform weight and measures.
2) They were the first to bring about urban sanitization systems.
Answer:I got this question on my test and knew the question so to the ppl that need the answer it is.. Yes, because a new material of a different color formed on a part of the metal strip.
