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The name of substances that gives skin and hair its pigment is melanin
the name given to chemicals which react together is products
oxigen
Depends on how you want to classify them. For starters, there are toxic materials (poisonous) caustic substances, such as acids and strong alkalis (eat holes in your skin) explosives (blow up) flammables/ combustibles (catch fire) and reproductive hazards (cause birth defects, mutations, sterility) and radioactives (give off ionizing radiation).
The chemicals at the start of a reaction are always called the reactants.The chemicals at the end of a reaction are always called the products.
They are fuels obtained from fossil origins:coal is fossilized vegetationpetroleum and natural gas are derived from fossilized microorganisms
A binary compound
Hydro-carbons is another name for fossil fuels.
The scientific name for urine is "urine." It is a liquid waste product produced by the kidneys as they filter waste and excess substances from the blood.
fuels are what we run off of
Hydro-carbons is another name for fossil fuels.
Carbon dioxide is the most important greenhouse gas produced by fossil fuels, and our use of these fuels is leading to a significant increase in atmospheric carbon dioxide levels. Water vapour is often considered a greenhouse gas, and fossil fuels, especially natural gas, produce water vapour. However, the tendency of water vapour is to precipitate, so the burning of fossil fuels does not directly lead to an increase in water vapour levels. Some methane can be produced from fossil fuels. This is a potent greenhouse gas, twenty times as effective than carbon dioxide. Carbon monoxide is produced by incomplete combustion of fossil fuels. It is only a very weak direct greenhouse gas, but has important indirect effects on global warming because it reacts with hydroxyl (OH) radicals in the atmosphere. OH radicals help to reduce the lifetimes of strong greenhouse gases like methane.
Pores, Blood, vessels, hair, nerves, wort's, moles, birthmarks, melanomas tatoo ink. splinters,
The most common name for harmful microbes is germs.
Fossil fuels (hence the name) are natural fuels that come from decayed bodies (humus or fossils) in the earth.
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Fossil fuels (coal, oil and natural gas).