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
Helmet
(Tried my best) gloves are things weared for to protect the hands. The same goes for the head, helmet is to protect our head
Answer:
PHD
Explanation:
phd is the one that can help you
Answer:
Christianity
Explanation:
Christianity is the most widespread religion
