I NEED THIS NOW PLZ NO LINKS OR ILL REPORT Which is an example of a chemical change? *

cutting paper in half

wax melting off a candle

the wick in a candle burning to ash

painting a wall blue

the third one

wax melting off a candle

answer: e.   sour taste

explanation: acids are those substances which dissociates in water to give ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. acids are sour in taste. example: hcl

bases are those substances which dissociates in water to give ions or accepts ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. bases are bitter in taste. bases are slippery in nature.

the answer is:  

line graphs show patterns in data with variables that change over time; whereas, circle graphs show data as parts out of a whole (such as out of 100%).