C. answer the least challenging questions first
because then you get those out of the way and have more time to focus on the harder questions.
Answer:
Kevlar. Kevlar is similar in structure to nylon-6,6 except that instead of the amide links joining chains of carbon atoms together, they join benzene rings. The two monomers are benzene-1,4-dicarboxylic acid and 1,4-diaminobenzene.
Explanation:
Two different Operating Systems are
Windows 7
LINUX
Explanation:
- Windows is an Operating System which was released by Microsoft to be used on Personal Computers.
- They are used to manage software and perform various tasks.
- LINUX is another type of operating system that is used on Super computers
- Linux has been used in homes and organisation desktops in a great number.
- It is used for great number of computing embedded tasks.