14. What steps should you take to keep parents and the public from viewing your personal
information on social networks? (Select all that apply)
Maintain separate (personal and professional) profiles with different email addresses
Configure privacy settings for my personal profiles so that my posts are only shared with my intended audience
Install a firewall on my home computer
Wear an aluminum foil hat.

the answer is either b or c

chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. these processes are called chemical reactions and, in general, are not reversible except by further chemical reactions. some reactions produce heat and are called exothermic reactions and others may require heat to enable the reaction to occur, which are called endothermic reactions. understanding chemical changes is a major part of the science of chemistry.