Do manta rays live in water above the safe temperature for cold food storage?
Rationale first then the answer.
For cold foods, the food safe temperature is 40 degrees Fahrenheit and below. Manta rays prefer water temperatures above 68 °F (20 °C).. The answer is: yes.

Were Greeks essential to crafting Egyptian Lighthouse of Alexandria?
Rationale first then the answer.
The Lighthouse of Alexandria was an impressive monument in Egypt. The Lighthouse of Alexandria was built by pharaoh Ptolemy II. Ptolemy II was the son of Ptolemy I Soter. Ptolemy I Soter was a Greek bodyguard of Alexander the Great and became pharaoh of Egypt.. The answer is: yes.

Can a cell fit inside of a shoebox?
Rationale first then the answer.
The average shoebox is around 14 inches by 10 inches by 5 inches. The average eukaryotic cell is between 1 and 100 micrometers in diameter.. The answer is: yes.