The US is divided into four different time zones.
a law or laws, as a constitution, regarded as basic and, often, irrevocable by ordinary judicial or legislative action; organic law.
Answer: chemical reaction
Explanation: It’s a equation
<span>The merit system is the process of
promoting and hiring government employees based on their ability to
perform a job, rather than on their political connections. It is the
opposite of the spoils system.</span>