Comments

Author Comment Last activity Moderation
liz "Hi @engineerjaykumar, thanks for offering a thought toward this question. "Frac" sand is a kind of sand used for "hydrofracking," the extraction of..." | Read more » about 4 years ago
liz "Here's an article in Slate which explains what "attribution science" is: https://slate.com/technology/2019/12/attribution-science-field-explosion-2..." | Read more » about 4 years ago
liz "Thank you @Ag8n! " | Read more » over 4 years ago
liz " Thank you! " | Read more » about 5 years ago
liz " hi @sagarpreet , could you provide a link to your source for the image of computing the AQI? thanks! " | Read more » about 5 years ago