A verb is an action. Example: moving, sitting, walking, sleeping.
A makes the most sense grammatically.
Answer:
At the turn of the millennium, there is always a huge celebration to honor the special occasion.
Explanation:
Millenium- an anniversary of a thousand years.
Occasion-a particular time or instance of an event.
Answer:
<em> require</em> a gain or a loss of heat energy
Explanation:
so yes they do <em>require</em> energy for each phase. also keep in mind that . During a phase change energy my be added or subtracted from a system,<em> but the temperature will not change.</em>