luminol
The Cenozoic era's surface was very bumpy and that when the Earth was flat. When the world started getting round Earths surface started getting flat, but that when there was a lot of earthquakes, which wiped out all the dinasours and made them exstinct.
Life did not start after the dinosaurs were wiped out. Life on Earth started billions of years before that. The asteroid wiped out a large portion of life on earth, but not all of it. Some things survived.
The temperature of the tabletop decreases because the evaporation of the alcohol absorbs heat from the surface. As the alcohol evaporates, it takes energy from the table, causing the table to cool down.
Common solvents that can remove ink from a permanent marker include rubbing alcohol, acetone, and nail polish remover. These solvents work by breaking down the ink's pigments, allowing it to be wiped away. It's important to test these solvents on a small, inconspicuous area first to ensure they do not damage the surface.
No, most of the Sun's ultraviolet light is absorbed by the Earth's atmosphere, particularly by the ozone layer. Only a small fraction of ultraviolet light reaches the Earth's surface, which is why it is important to protect ourselves from its harmful effects with sunscreen and protective clothing.
By The Wanderer Luminol
Luminol is a chemical that can be used to detect blood even when it has been wiped clean. It reacts with the iron found in hemoglobin, producing a blue glow which indicates the presence of blood.
[You are 13 and when you wiped there was blood] congrats that means you started your peirod tell your mother and she will get you supplies good luck
No, black lightsd mainly detect body fluids, even if theve been wiped off or cleaned.
Probably not, sounds like menses...
It is contaminated from the alcohol swab.
The first drop of blood is wiped away because it is mainly just tissue.
yes
Xylene is a solvent that can dissolve oil and residues on the lens surface quickly. However, it evaporates rapidly, so it needs to be wiped off immediately to prevent it from damaging the lens surface due to prolonged exposure.
I have painted rapeseed oil on some surfaces painted with oil paint and cannot detect any change after it's wiped off.
He is bleeding perhaps from being constipated. If it continues have him see a doctor.
no.