Well latent fingerprints are made of oil and sweat and generally materials that you can't see very easily, so it should be that.
Hope this helps :D
Is there any chemical names listed ?
<span>an apparatus for producing gas, steam, or another product. here is what it means sorry if i couldn't help. </span>
Answer:
54 km/hr
Explanation:
m/s to km/hr => 18/5
15 m/s to km/hr => 15 x 18/5 =>3 x 18 => 54km/hr
