C.Pennsylvania Titusville is in the state of Pennsylvania
There are 22 pairs of <span>homologous chromosomes are found in human body cells.</span>
Answer:
They are emitted from heated objects
Explanation:
When objects are heated, they emit light at all wavelengths thereby forming a continuous spectrum. Electromagnetic radiation of all wavelengths and colours are usually represented in such spectrum. A thermal spectrum is quite a simple spectrum since it depends on temperature.
