How do manufacturers make trans fats? a) they remove hydrogen from polyunsaturated fats. b) they remove hydrogen from saturated fats. c) they add hydrogen to unsaturated fats. d) they add hydrogen to saturated fats.

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation:

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.