1. Polymer refers to a lengthened, chain-like molecule comprising repeated units associated end to end.
2. Ceramic refers to a hard, brittle, corrosion and heat tolerant substance formed by administering a non-metallic mixture of minerals to intense heat.
3. Thermoset refers to the plastics, which exhibit low elongations and cannot get recycled again.
4. Thermoplastic refers to the plastics, which exhibit high elongations and can be recycled.
5. Crystal refers to the solid form originating from the organization of ions, atoms, or molecules in precise patterns of geometry.
6. Composite refers to a carbon fiber entrenched in a polymer resin matrix.
Answer:
They do not possess a cell membrane or metabolise on their own
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Answer:
The gravitational attraction between the sun and Earth
Explanation:
because of the gravity.
The least dense layer of the atmosphere is the exosphere as it is the outer most layer of the atmosphere. Hope it helps!
