Answer:
Run-on
Explanation:
"There's a new smart-phone app that will write your English essays for you" and "the program has terrible grammar" are both independent clauses, incorrectly joined without correct punctuation. There should be a comma before the conjunction "but".
Prohibitory symbol
A circle with a line or slash through it means that the selected startup disk contains a Mac operating system, but it's not a macOS that your Mac can use.
All things living perceive things through their senses.
Love conquers all is a very common theme
