According to physicist Lord Kelvin as cited in "To Fly" a chapter from Space Chronicles, why would human flight be impossible? A Humans would not be able to breathe at altitudes necessary for flight
B. Powerful air currents would cause any flying vehicle to crash
C. It is impossible to design artificial wings.
D. Things heavier than air cannot fly

In the story "seventh grade," how do victor's hopes and expectations about teresa at the beginning of the school day compare with his hopes and expectations about teresa at the end of the school day? his hopes and expectations are exactly the same at the end of the day. his hopes and expectations are completely different at the end of the day. his hopes and expectations are strengthened by the end of the day. his hopes and expectations are weakened by the end of the day.

One of the girls brought some candy for you. the prepositional phrase(s) is/are __

The germanic language was brought to britain by which of the following groups? select all that apply.