It's C!
In most cases you can't put AND after a period but in this case u can.
Numerous international human rights documents firmly establish the principle that no human being can be “illegal” or outside the protection of the law. Yet despite the clearly established principle that discrimination and abuse based on immigration status are violations of human rights, U.S. government policies continue to sanction human rights violations against migrants and immigrants.
Explanation:
Declarative - I study German on Fridays.
Imperative - you must go to school.
Exclamatory - what a coincidence!
Interrogative - what is your name?
Answer:
A credible source will have multiple ways to validate.
Explanation:
A credible source is an information source that is unbiased, trustworthy and reliable.
Also, a credible source is typically backed up by evidence from various information channels and should be accurate.
In order to validate a credible source, it is necessary that the information provided is checked against other reliable sources to verify accuracy.
Hence, a credible source will have multiple ways to validate.
Additionally, the credibility of a source isn't limited to online sources only, Wikipedia pages or from .gov and .org websites.