Class B would be the correct answer.
Answer:
C. Make the slide image large so the charts can be seen clearly.
Explanation: Edg
Stay off of social media (mainly instagram or maybe snapchat), put yur account on private mode so you can choose who can follow you.
Answer:
200 nm
Explanation:
We need a constructive interference to see the bright reflection
we know that
where m=1 and
is the wavelength of the gasoline
so 
putting the value of m and
in thickness equation

so the thickness of the film will be 200 nm
Answer:
(config)# enable password secret
(config)# enable secret Encrypted_Password
(config-line)# password secret
(config)# enable secret Secret_Password
(config)# service password-encryption
Explanation:
To prevent all configured passwords from appearing in plain text in configuration files, an administrator can execute the service password-encryption command. This command encrypts all configured passwords in the configuration file. For more: https://ccnav7.net/what-command-will-prevent-all-unencrypted-passwords-from-displaying-in-plain-text-in-a-configuration-file-2/