Question

what group reviews scientific studies for reliability?
a. peer reviewers
b. celebrities
c. government officials
d. advertising agencies
what kind of flavoring chemical can harm lung tissue?
a. propylene glycol
b. water
c. glycerin
d. diacetyl

Explanation:

First Question:

To determine the group that reviews scientific studies for reliability, we analyze each option:

• Option a: Peer reviewers are experts in the same field who evaluate scientific studies for validity, reliability, and quality.
• Option b: Celebrities lack the expertise to review scientific studies.
• Option c: Government officials typically don't have the specific scientific expertise to review studies for reliability.
• Option d: Advertising agencies focus on marketing, not scientific review.

To identify the flavoring chemical harmful to lung tissue, we analyze each option:

• Option a: Propylene glycol is a solvent, not known for harming lung tissue.
• Option b: Water is not a flavoring chemical and is essential for the body.
• Option c: Glycerin is used in products but not known to harm lung tissue.
• Option d: Diacetyl is a flavoring chemical linked to lung tissue damage (e.g., in popcorn lung cases).

Answer:

a. Peer reviewers

Second Question: