Answer:
After repeated exposure to loud sounds, many people develop a permanent form of deafness called hearing impairing/loss deafness
Explanation:
Hearing loss/impairment is the total loss of hearing, it totally prevent one from hearing which is permanent deafness
Answer:
millions of years
Explanation:
Takes a long time to form, so millions of years.
One reason is for safety! in case you get stranded in a body of water you can keep yourself afloat
Answer:
The incorrect conclusion is D that is finding burial sites of <em>Homo habilis </em>on different countries.
Explanation:
<em>Homo habilis</em> are called as stone age human that are appeared between 2.1 and 1.5 million years ago and they use tools that are made up of stone which they use to kill the animals. They are called as scavengers and they didn't have any knowledge about bury the dead bodies.
<em>Homo neanderthalensis</em> are the extinct species of human that appears at about 40,000 years ago who bury the dead body but they became extinct due to competition and they did't able to adopt the modern techniques.This was the prime factor that they became extinct.