Acid rain is created when water vapor in the atmosphere absorbs

carbon dioxide
barium
sulfur
sulfur oxide

What does this quotation from the introduction of thedeclaration of independence do?

Completar fill in the blanks with words from the list based on the panorama cultural video.

The primary purpose of a certificate of confidentiality is to: allow law enforcement to investigate abuse cases. protect researchers from disclosing conflicts of interest. prevent subjects from knowing the purpose of a study. protect identifiable research information from compelled disclosure.