One drawback to the Roman's roads was they had poor drainage. Another drawback for today is they are too narrow.
The answer is certainly A.
Answer:
Translational research
Explanation:
Translational research is the process of applying knowledge from basic biology and clinical trials to techniques and tools that address critical medical needs.Translational research look for how to produce more meaningful, applicable results that directly profit human health.
Pretty sure it is d, The exact size of population
Answer:
offensive and unwanted thoughts that persistently preoccupy a person
Explanation:
Obsession is a condition in humans of being obsessed with certain things or some persons. It is a thought or idea which preoccupies the human mind persistently. Obsession is the product of one's own mind. Obsessed persons constantly think about somebody or something which worries them a lot. it is an unwanted thought and impulses that keeps on reoccurring in the human mind.
