I think it's number 4 for 5 and its 3 for 6
Answer:
Natural selection
Explanation:
According to Darwin, natural selection is the mechanism through which evolution takes place. Natural selection is the mechanism through which the heritable traits characteristic changes in an organism over the generations. Variations in traits of organisms are passed down through the generations and each generation has their genes affected by the environment.
It is the breast that is responsible for more cancer deaths in women through breast cancer. Hazard factors for creating breast cancer incorporate being female, stoutness, absence of physical exercise, drinking liquor, hormone substitution treatment amid menopause, ionizing radiation, early age at first monthly cycle, having youngsters late or not in any manner, more established age, and family history.
The answer would be D. Hydrogen bonding.