Which of the following is a responsibility of a scientist

Since there aren't any answer choices, here is what I personally think.

the Social Responsibilities of Scientists. ... Right now, much of the emphasis in science is on the professional responsibility of scientists to stick to "standards agreed upon by the scientific community" regarding how research should be conducted, Frankel said. He called these responsibilities "internal."

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.

a covalent bond, specfically triple bond