Consider the following statements:1. Other than those made by humans, nanoparticles do not exist in nature.2. Nanoparticles of some metallic oxides are used in the manufacture of some cosmetics.3. Nanoparticles of some commercial products which enter the environment are unsafe for humans.Which of the statements given above is/are correct? - Study24x7
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Dev kumar
08 Nov 2023 11:54 AM study24x7 study24x7

Consider the following statements:
1. Other than those made by humans, nanoparticles do not exist in nature.
2. Nanoparticles of some metallic oxides are used in the manufacture of some cosmetics.
3. Nanoparticles of some commercial products which enter the environment a...

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A

1 only

B

3 only

C

1 and 2

D

2 and 3

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