B) Nitrogen is reacted with hydrogen during the process. Which two substances are reacted together to produce the hydrogen?
(2)

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

City a and city b had two different temperatures on a particular day. on that day, four times the temperature of city a was 8â° c more than 3 times the temperature of city b. the temperature of city a minus twice the temperature of city b was â’3â° c. what was the temperature of city a and city b on that day? city a was 5â° c, and city b was 4â° c. city a was 3â° c, and city b was â’1â° c. city a was 8â° c, and city b was â’3â° c. city a was 5â° c, and city b was â’5â° c.

Draw metallic bonding if two copper