select any five phenomena happening in our daily life related to science write short notes on why and how this phenomena occur
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1.Evaporation:It occurs almost everywhere.Like drying clothes.
2.Goosebumps:Goose bumps are the dots that form on the skin when a person is cold, afraid, or experiencing strong emotions. The reflex that causes goose bumps is known as horripilation and it occurs in other mammals as well.
3.Cracking joints:When the joint is put in an abnormal position, bubbles of these gasses are rapidly released which causes the cracking noise. The reason a knuckle can rarely be cracked twice is because it takes time for the gases to build up again.
4.Wrinkled Fingertips:Happens due to osmosis.
5.Chopping Onions:When we chop them Onions release an enzyme known as Lachrymatory-factor synthase into the air when they are cut open. The enzyme converts the sulfoxides (amino acids) in the onion into the unstable compound sulfenic acid which rearranges itself into something called syn-ropanethial-S-oxide. Syn-ropanethial-S-oxide is a chemical irritant which causes the lachrymal glands to release tears when it comes in contact.
2.Goosebumps:Goose bumps are the dots that form on the skin when a person is cold, afraid, or experiencing strong emotions. The reflex that causes goose bumps is known as horripilation and it occurs in other mammals as well.
3.Cracking joints:When the joint is put in an abnormal position, bubbles of these gasses are rapidly released which causes the cracking noise. The reason a knuckle can rarely be cracked twice is because it takes time for the gases to build up again.
4.Wrinkled Fingertips:Happens due to osmosis.
5.Chopping Onions:When we chop them Onions release an enzyme known as Lachrymatory-factor synthase into the air when they are cut open. The enzyme converts the sulfoxides (amino acids) in the onion into the unstable compound sulfenic acid which rearranges itself into something called syn-ropanethial-S-oxide. Syn-ropanethial-S-oxide is a chemical irritant which causes the lachrymal glands to release tears when it comes in contact.
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