Identity the elevation and the percentage of oxygen available at each elevation

8,850 m
57%
33%
4,500

peak
mid-lv elevation
sea lv

Peak - 33% - 8,850 m

Mid-lv elevation - 57% - 4,500 m

Sea lv - 100%

I got this right on a test. I hope this helps!

for the points

regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

explanation: