The Host Galaxies of High-Redshift GRBs. 2. The ISM of high-redshift galaxies 3. DLA counterparts & the M-Z relation at z>2 1. GRBs at z
Motivation it is a key diagnostic of the ISM because: [CII] is the dominant cooling line of the ISM.
![Motivation it is a key diagnostic of the ISM because: [CII] is the dominant cooling line of the ISM.](https://static.fdocuments.net/doc/330x215/5697c0121a28abf838ccc54b/motivation-it-is-a-key-diagnostic-of-the-ism-because-cii-is-the-dominant.jpg)
