Why was the development of standard weight measurement important in ancient India? It made taking measurements easier and improved trade.
Measurements became easier to estimate in ancient India.
A precise ruler was used to measure the weight of objects.
Standard weights could be made from available wood.

It made taking measurements easier and improved trade.

Explanation:

The measurement system in India came into being during the Indus Valley Civilization. It made taking measurements easier. This was seen as luxury foods were measured by using smaller weight measures while bulkier or bigger items were measured by using the larger weights measures.

It also brought about the improvement in trade. Standard measures were also used in the collection of land tax. Therefore, the correct answer is that "it made taking measurements easier and improved trade".

the answer is d. selective incorporation. (apex)

use wikipedia, i think they have this.