Photosynthesis
the equation is- Carbon dioxide + water = oxygen + glucose
Airborne is the most common.
They are easy to be addicted to
they can hurt your mind
they are so addictive that you use them so frequently (hence the word abusing)
Gene duplication, mutation, or other processes can produce new genes and alleles and increase genetic variation. New genetic variation can be created within generations in a population, so a population with rapid reproduction rates will probably have high genetic variation.