Answer: Long-term health effects from air pollution include heart disease, lung cancer, and respiratory diseases such as emphysema. Air pollution can also cause long-term damage to people's nerves, brain, kidneys, liver, and other organs. Some scientists suspect air pollutants cause birth defects.
Explanation:
Genetic engineers use the 3 methods of base excision,nucleotide excision and mismatch repair to remove human DNA for use in splicing bacterial DNA.
Hope that helps.
1). secondary; physical and thermal and radiological
2). primary; chemical radiological
3). secondary; physical and biological
