Author Question: Select the substance that is thought to be partially responsible for depleting the concentration of ... (Read 54 times)

Mollykgkg · **on:** Aug 27, 2018

Select the substance that is thought to be partially responsible for depleting the concentration of ozone in the stratosphere.

A) CFCl3
B) CO2
C) O2
D) N2
E) He

Question 2

The two allotropic forms of phosphorus are ________ and ________.

A) black, red
B) white, black
C) white, yellow
D) white, red
E) black, yellow