Blue colors dominate the visible light output of very hot stars (with much additional radiation in the ultraviolet). On the other hand, cool stars emit most of their visible light energy at red wavelengths (with more radiation coming off in the infrared).
Answer:
Twins may be defined as the two offspring produced by the same pregnancy. The twins can be monozygotic or dizygotic depending upon whether they have developed from the same or different egg.
Both the Henry and George are identical twins. They have been raised in the different environments. This will affect their phenotype as phenotype expression depends on genotype as well as on environment. Both have different genotypes although they share the same genotype.
Sunlight provides energy needed for photosynthesis