Which form of speech is protected right of citizens?
A. Disobeying the law in protest
B. Lying about a public emergency
C. Threatening to harm a person
D. Campaigning for a political candidate

the best answer would be D. Campaigning for a political candidate. Hope this helps!

Explanation:

i believe

clean air is essential for health and survival

clean air provides nitrogen gas for plant respiration

clean air supplies oxygen that enables living organisms to breathe

hope this

i am brianly

sorry if this doesn't

during the nancy. probs