2. From monitoring stations around the globe, data was collected to produce the above graphs.
These graphs show atmospheric concentrations of several halogenated gases (gases that contain
fluorine, chlorine, or bromine), measured in parts per trillion (ppt). What is the atom or element
that is present in all of the compounds in the left-hand graph which causes them to be ozone-
depleting substances?

chromosomes carry the genetic information for organisms. also, chromatin is the thread like dna which is located in the nucleus of an organism.

within 30 of the equator hope this

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.