increasing atmospheric concentrations of greenhouse gases, for a warming effect. global changes to land surface, such as deforestation, for a warming effect, increasing atmospheric concentrations of aerosols, and mainly for a cooling effect.
the interneuron is located in the central nervous system between the sensory neuron and the motor neuron, therefore it relays impulses from the sensory neuron to the motor neuron
DNA (Deoxyribonucleic acid) is the genetic material present inside the nucleus of all eukaryotic cells.
Samples as small as few skin cells also contain DNA and the presence of DNA in skin cells is often used to identify the DNA of a person in a crime scene.
Further, with the use of PCR technology, the small amount of DNA obtained from skin cells can be amplified into many copies.