Which of the particle sizes are considered as nanoparticles

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Reference no: EM131158951

1) Which of the following particle sizes are considered as nanoparticles?

a) Less than 100 µm diameter

b) 1 to 100 µm

c) 1 to 100 nm

d) <200nm

e) All of above

2) The way Nanomaterials do not enter the human body?

a) Inhalation

b) Ingestion

c) Transportation

d) Skin absorption

e) Injection

3) Direct human health risk caused by a nanoparticle depends on

a) Probability of exposure

b) Concentration

c) Duration

d) Frequency

e) All of above

Reference no: EM131158951

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