Polymer — definition?
Large molecule made from monomers.
Monomer — role?
Small unit that forms polymers.
Polymerization — process?
Chemical bonding of monomers into polymers.
Thermosoftening plastics — property?
Melt and reshape when heated.
Thermosetting plastics — property?
Set hard and cannot be remelted.
Balanced diet — purpose?
Provides nutrients for health and energy.
Nutrient groups — examples?
Proteins, carbs, fats, minerals, vitamins.
Doping — definition?
Using illegal substances to enhance performance.
Anti-doping criteria — how many?
At least two of three conditions.
Doping history — first ban?
1928 by the International Association of Athletics Federations.
Banned drugs — examples?
Stimulants, EPO, HGH, blood doping.
Detection method — main technique?
Mass spectrometry analyzing urine samples.
Blood testing — detects?
Erythropoietin (EPO).
Monitoring tech — used how?
Tracks health, technique, and recovery.
Shutter speed — controls?
Motion blur or freeze.
ISO — effect?
Brightness and image noise.
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1. What is polymerization?
2. How do thermosoftening plastics behave when heated?
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