Explanation:
Single displacement reaction is defined as the reaction in which more reactive element displaces a less reactive element from its chemical reaction. The reactivity of metal is determined by a series known as reactivity series. The metals lying above in the series are more reactive than the metals which lie below in the series
Answer:
You could eat by using or hands or a utensils
Explanation:
The correct answer is composite score.
The Composite score is the average of an individual's test scores in four different examinations, adjusted to the closest entire number. Parts short of what one-half are adjusted down; portions one-half or more are gathered together. Examinations may include subjects such as Mathematics, English, Reading and Science.