<span>Drugs of abuse testing is used to screen for and confirm the presence of several drugs in a person's sample, such as urine, blood or hair. Drug testing is used so that a person may receive appropriate medical treatment or be screened for or monitored for illegal drug use.</span>
There were few records kept about the dodo birds.
Answer:
I honestly know its B cause I had the same question asked by my teacher
Seeing that our species is constantly evolving, maybe it is starting to get more uncomfortable to walk on all fours.
<span>In bacteria, DNA polymerase adds an incorrect base to a growing strand of DNA about once in every 100 000 bases added. The result is a mismatch such as the pairing of A with C.
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