Question

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Answer 1

Answer:

Explanation:

1.Gold is malleable, which means it can be beaten into very thin sheets. Gold is used to make jewelry because of the attractiveness of its luster and because of its rarity. It also doesn't tarnish and doesn't react with air the way a metal like iron does

2.A virus is a small infectious agent that replicates only inside the living cells of an organism

4.Bacteria and viruses are the most common cause of food poisoning.

6.mercury

Answer 2

1- gold is used for making jwellery because of the attractiveness of its lusterc and because of its rarity.

2-virus- a virus is a microscopic parasite which can infect living organisms and cause disease. It can make copies of itself inside another organisms cell. Viruses consists of nucleic acid +a protein coat.

3-typhoid-salmonella typhi.

Malaria-plasmodium

Hepatitis-HAV

dysantry-entamoeba histolytica.

Cholera- vibrio cholerae.

4-bacteria and viruses..

5-mercury......

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