The correct answer is (c), Graphene.
Kevlar is a synthetic fiber made from poly-paraphenylene terephthalamide. It is a very strong and lightweight material that is often used in bulletproof vests and other protective gear.
Lexan is a polycarbonate resin that is used to make a variety of products, including eyewear, lenses, and CDs. It is a strong and durable material that is also resistant to heat and chemicals.
Spider silk is a protein fiber that is produced by spiders. It is one of the strongest natural materials known, and it is also very flexible and elastic.
Graphene is a single layer of carbon atoms arranged in a hexagonal lattice. It is the thinnest material known, and it is also one of the strongest. Graphene is a very promising material for a variety of applications, including electronics, composites, and energy storage.
In conclusion, the correct answer is (c), Graphene. Graphene is a single layer of carbon atoms arranged in a hexagonal lattice. It is the thinnest material known, and it is also one of the strongest. Graphene is a very promising material for a variety of applications, including electronics, composites, and energy storage.