Cumulus clouds form in rising air. The cloudy air becomes warmer than its surrounds and continues to rise as a buoyant thermal. These thermals transport the cloud droplets upwards; they grow from more condensation or from colliding with other drops
I would have to say D " A phantom ship , with each mast and spar/ Across the moon like a prison bar,/ And a huge black hulk, that was magnified / By its own reflection in the tide.
It reminds me of her poem of when she came from Africa to America.
Someone lamenting about the "glass ceiling" would be concerned about workplace discrimination, letter A. This metaphor was created for feminists to illustrate the invisible barrier that keeps women to achieve the same professional achievements as men. Barriers such as the gender pay gap ( the difference between male and female in earnings) and the glass escalator (when men join fields that were previously occupied mainly by women) are examples of this phenomenon.
The Mayans met their demise when the Spanish conquered the Mayan with the combination of superior technology and the introduction of foreign diseases. Foreign diseases such as smallpox weakened populations and were thus easier to subdue.