What is the difference between a point and non-point pollution?
Point pollution is pollution that can be traced back to a single source, whereas non-point pollution cannot be traced to a single source. An example of point pollution would be a factory leaking contaminants into a stream. An example of non-point pollution would be emission from a car exhausts polluting the atmosphere.
What medication is used to alleviate the symptoms of withdrawal in a heroin addict?
Methadone can be used to alleviate the symptoms of withdrawal in a heroin addict.
How many chromosome pairs does an average human have?
An average human has 23 chromosome pairs.