Total Cost of Ownership(TCO<span>) is an analysis meant to uncover all the lifetime costs that follow from owning certain kinds of assets.</span>
Civil liberties are protections against government actions. For example, the First Amendment of the Bill of Rights guarantees citizens the right to practice whatever religion they please. Government, then, cannot interfere in an individual's freedom of worship.
<span>Each power plant gets a particular number of allowances, with each allowance allowing the company to emit one ton of sulfur dioxide.</span>
A, C, D, and E are all valid options.
often times, when physical models are used instead of actual models, it's because of the actual object's size or composition. that's why we have globes instead of actual models of the earth! they'd simply be too big to keep in a classroom :)
i hope i helped! good luck.