subject
Biology, 22.12.2019 20:31 leahk0876

Chlorofluorocarbons (cfcs) are a problem because they

a. have been released in large quantities in the past
b. break down to reactive free chlorine atoms
c. attack ozone molecules in the upper atmosphere
d. all of the above

i know its c and a is pretty much true but i am really not sure about b so i don't know if it is d or just c.

ansver
Answers: 2

Another question on Biology

question
Biology, 21.06.2019 14:00
What was carolus linnaeus' classification system of organisms based on? a.physical characteristics of organisms b.food habits of organisms c.habitat of organisms d.size of organisms
Answers: 1
question
Biology, 22.06.2019 00:00
Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?
Answers: 1
question
Biology, 22.06.2019 00:00
Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.
Answers: 1
question
Biology, 22.06.2019 00:00
The first three phases of the cell cycle are collectively known as (1 point) play audio cellular respiration. telophase. mitosis. interphase.
Answers: 2
You know the right answer?
Chlorofluorocarbons (cfcs) are a problem because they

a. have been released in large qu...
Questions
question
Mathematics, 22.06.2019 11:10
question
Chemistry, 22.06.2019 11:20
Questions on the website: 13722361