Calcite and dolomite are very similar minerals. Both have the same hardness (H = 3), the same rhombohedral cleavage, and are found in identical geologic settings. The best way to tell one from the other is the acid test: a drop of 1 M HCl on calcite produces an instant, obvious fizz; a drop on dolomite produces slow or no obvious bubbling. Frequently, you have to use a knife point to powder a small area of dolomite to get a visible reaction to a drop of acid.
The factors that contribute to the onset of an eating disorder are complex. No single cause of eating disorders has been identified; however, known contributing risk factors include: 1  Genetic vulnerability. 2  Psychological factors.3  Socio-cultural influences.he factors that contribute to the onset of an eating disorder are complex. No single cause of eating disorders has been identified; however, known contributing risk factors include: 1  Genetic vulnerability. 2  Psychological factors. 3  Socio-cultural influences.
Quick Answer. A biological factor is anything that affects the function and behavior of a living organism, according to Psychology Dictionary. These factors can be physical, physiological, chemical, neurological, or genetic. Biological factors are the primary determinant of human behavior and are routinely examined when studying the causes of mental illness.