<span>Answer:
Hardin's metaphor describes a lifeboat bearing 50 people, with room for ten more. The lifeboat is in an ocean surrounded by a hundred swimmers. The "ethics" of the situation stem from the dilemma of whether (and under what circumstances) swimmers should be taken aboard the lifeboat.</span>
23. “all things considered” is a nominative absolute (NA).
24. “a nuclear engineer” is an appositive (AP).
25. “There” is an expletive (EXP), as you correctly noted.
26. “Maria” is used as a direct address (DA).
27. “green” is an objective complement (OC).
28. “president” is a predicate nominative (PN).
29. “alert” is a predicate adjective (PA).
30. “There” is, again, an expletive (EXP), as you again correctly noted.
31. “fence” is a direct object (DO).
32. “us” is an indirect object (IO).
The answer is the first one: "Did you bring anything for the volunteers to eat?" asked Jack.
Shakespeare seems to consider a self-destruction tendency inextricably connected with love, as it is love and the actions taken in its name that drive the protagonists of many of his plays to make the choices which ultimately lead to their downfall, most famously in Romeo and Juliet.
