Dominant refers to the relationship between two versions of a gene. Individuals receive two versions of each gene, known as alleles, from each parent. If the alleles of a gene are different, one allele will be expressed; it is the dominant gene. The effect of the other allele, called recessive, is masked.
The answer to this is, they both are commensalism.
The semicircles are probably the longitude and the latitude, if that what you are talking about.
Answer:
Cons: Pollution may muddy landscapes, poison soils and waterways, or kill plants and animals. Humans are also regularly harmed by pollution. Long-term exposure to air pollution, for example, can lead to chronic respiratory disease, lung cancer and other diseases What are the pros of pollution?
However, there may be some small advantages to air pollution:
Air pollution helps plants grow. Guess what our factories and cars put in the air? ...
Air pollution slows climate change. Some pollutants we put out heat up the Earth, like carbon dioxide. ...
Air pollution keeps polluted cities cooler in the summer.
