I think Is a DNA Molecule......
The correct answer is establishment clause. In E<span>ngel v. Vitale (1962), the Supreme Court ruled that New York's practice of starting the school day with a prayer violated the</span><span> establishment clause.This is a principle in the First Amendment that prohibits the government from establishing an official religion.</span>
The answer is B) closed because it flows through things. For example: Light switches on the inside. I hope this helps.
Underdeveloped sorry if I’m wrong