<span>Sumerians built walls using the natural resource they were surrounded with, which was namely clay. They used this clay to create fired mud-bricks, as there was not any other building stone available at the time. However, the clay mud-bricks proved to be a solid structure for town fortification.</span>
Answer:
Use hcfc and no using (cfc).
One also can refuse using air corn and also car pole
Safe the electric or just us the solar energy.
Plant more tree and do 3 r
Answer: cancer
Explanation: I am a scientist
This process is called Denitrification. The process is undertaken by the denitrifying bacteria, whose action is converting nitrates in the soil to free atmospheric nitrogen and therefore, depleting soil fertility and reducing agricultural productivity. Examples of denitrifying bacteria are thiobacillus denitrificans, micrococcus denitrificans among others.
Answer:
it is unclean
Explanation:
fish that have non-shedding, non-overlapping, diamond-patterned, or imbedded scales should be considered unclean.
