Answer: ozone concentration
Explanation: The Dobson Unit is the most common unit for measuring ozone concentration. Becuse ozone concentration is hard to measure they use The Dobson Unit.
Answer:
notochord, dorsal hollow nerve cord, pharyngeal slits, and a post-an4l tail
Explanation:
had to censor second to last word but the 4 is an a
Reproductive technologies benefited agricultural industries by fulfilling humans needs such as food. An example of this would be breeding cows for milk or meat.
In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46.