30 points rust is formed by the interaction of iron and oxygen. when rust formed on an iron nail with a mass of 100 g, the mass of the rusted nail was 143 g. what mass of oxygen gas most likely reacted with the iron nail? (5 points) 43 g 50 g 100 g 243 g

Foreshadowing. the prologue states that this is the story of "star-crossed lovers." there are four strong foreshadowings of evil in act 1. identify at least two foreshadowings and explain their purpose.

What are the phases shown in a and d called?

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.