Yes it is very important to always make sure consent is given before touching another person. if the person is giving consent but still seems hesitant talk them through everything youre going to do before you do it so nothing comes as a surprise
Embryonic stem cells are derived from embryos at a developmental stage before the time that implantation would normally occur in the uterus.
The fossil has proof of evolution because of the condition of the fossil has proof of its age
I would say that the answer(s) are 1), 2), 4), and 5). Not 3) because the risk is probably high not low.
Hope I helped,
Ms. Weasley