Evolution, the change in allele frequency over time in a population of organisms is a fact and is only controversial among a vanishingly few ideologues and practically no scientists. The theory of evolution by natural selection is supported by over 95% of all scientists and is not controversial among the scientific community because it has been observed and tested for 150 years. There are some religious ideologues who can not accept the evidences that refute their creation story, so they make evolutionary theory only controversial politically.
Political and controversial.
The Manhattan project was controversial because the result was the production of very dangerous nuclear bombs.
Modernization theory analyzes how the modernization of society in relation to technology takes place. Structuralism focuses on aspects of society that impede economic growth. The basic needs theory focuses on how people's basic needs affect how they interact with society.
hot potato
Because it is
Herzberg's theory on motivation was highly controversial because he claimed that the topic could not be properly measured. The reason for this is because people are motivated and satisfied by different things.
Church officials believed the theory contradicted current religious teachings
Church officials believed the theory contradicted current religious teachings.
Complicate and new theories are continuously controversial; but this controverse is the source of progress in knowledge.
Complicate and new theories are continuously controversial; but this controverse is the source of progress in knowledge.
Alfred Weqener's theory/ hypothesis was considered controversial because Alfred did not have an explanation for why the continents, North America, South America, Africa, Asia, Antarctica, Australia, and Europe have separated or moved.
The theory that addiction is a disease is controversial.
The theory that addiction is a disease is controversial.
There is no evidence supporting it, and all the more evidence supporting the less controversial models of human evolution, based on evolutionary theory.
Germs couldn't be seen, so many didn't believe in them.
Deposition is the geological process in which sediments, soil, and rocks are controversial in its acceptance into mainstream coastal science as the theory.