Negative is bad and positive is good
Answer:
urban heat island
Explanation:
occurs when a city experiences much warmer temperatures than nearby rural areas.
Mark me brainliest.
Answer: The percentage composition of nitrogen , hydrogen and oxygen is 22.2 % , 1.59 % and 76.2% respectively.
Explanation:
Percentage composition is defined as the ratio of mass of substance to the total mass in terms of percentage.
Percentage composition=
a) 

b) 

c) 

The percentage composition of nitrogen , hydrogen and oxygen is 22.2 % , 1.59 % and 76.2% respectively.