C. How sharks sense food.
In other words, everything in the passage is showing their survival abilities for seeking prey.
The positive connotations I found in the excerpt are the following: mean, to be part of it, vowed, banner of freedom and peace and instruments of knowledge and understanding. The freedom and peace through knowledge and understanding is what we, as humans should mean. These words uses contrast to negative thoughts, which make the excerpt's tone inspirational.
Answer:
I don't know what tense you want this verb to be used, but you could do
Past Tense: If he had compared the facts, he would have concluded that I was right.
Future Tense: If he compares the facts, he will conclude that I am right.
Present Tense: He's comparing the facts so that he can conclude that I'm right.
"Everything is figureoutable." "Don't sweat the small stuff." "Don't take life to seriously- you'll never get out ALIVE!" "Go stand outside so if anyone asks, you're outstanding!" "If plan A doesn't work the alphabet has 25 more letters- stay cool." "Stars can't shine without darkness." "Don't call it a dream- call it a plan!" "If not us then WHO? If not now then WHEN?" "What's stopping you?" "If opportunity doesn't knock- build a door!" "If you say you're cooler then me, does that make me hotter than you?" And my personal favorite- "Make 10 men feel like 100." Stay cool!