Please help. List the type of graph that would be most appropriate in the following scenarios: A.) Percentage of students in each grade in the school.

B.) The change in mass of firewood before heating and after.

C.) The effect of the amount of conditioner used on hair length.

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.

This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?

One nanometer is equal to how many meters?