Which of the following would contribute to indoor air pollution?

Pet dander

Asbestos

Gasoline

All of the above

*thinking it’s gasoline*

What evidence does the writer give to support his argument about coral reefs? a) he speaks of the activities of coral polyps. b) he describes the composition of the great barrier reef. c) he emphasizes the ways in which coral reefs are fragile. d) he points out the ways that scientists do research on the reefs.

Hey, i was what is consisted in a sustainable city? like what unique designs they have, etc. for answering ; )

You have been tasked with sorting the rock samples shown into three categories, with two rocks in each category. what attribute would you use to sort these rocks? which rocks would be in each category? rocks: obsidian, coquina limestone, granite, soapstone, pumice, and gneiss.