<span>Retrograde amnesia is one of the two main types of amnesia. It is characterized by an impairment to recall previous events, experiences and even previous familiar information or impairment in the recall of autobiographical memory.</span>
chemical contaminations means the contamination of environment by chemical substances like chemical released by industried in water, buring of chemicals in air tjat cause air pollution etc... hope it helsp u
The answer for this question would be false
Explanation:
Acquired immune deficiency syndrome, orAIDS, is an autoimmune disease that is the final stage of human immunodeficiency virus, or HIV, which attacks the immune system similar to other autoimmune diseases and leaves the body susceptible to other diseasesand infections.