The answer would be a. spoken and written language because without a solid understanding of this it would be hard to verbally communicate, thus making this the best choice out of the four.
It's the letter i with the word ear inside
B) Abrasive. Pumice (stone) is used as an exfoliant and has an abrasive feel to it.
And, none of the other words make sense.
1. India decided to conduct nuclear tests for two reasons:
- with the aim of using same for peaceful purposes as well as self-sufficiency;
- China and Pakistan's nuclear policy were becoming aggravating.
<h3>When did India conduct its first nuclear test?</h3>
India's first nuclear test was carried out as a peaceful test on the 18th of May, 1974. This took place at Pokhran.
<h3>2. When was the Indian Atomic Energy Commission established?</h3>
India's Atomic Energy Commission was established in the month of August, the year 1948. This was executed under the express order of the Prime Minister (Pandit Jawaharlal Nehru) following a presidential order.
See more about Pandit Jawaharlal Nehru in the link below:
brainly.com/question/3490525