Answer:
carbon and titanium, hope that helps
Explanation:
If those are the only answers i would say mutualism
Answer:
Mechanoreceptors would be activated
Explanation:
The skin is a complex organ that is found covering the entire surface of the human body. The mechanoreceptors are responsible for the sense of touch, that is, the capture of pressure on the skin. They are the Meissner corpuscles and the Vater-Pacini corpuscles, which are made up of nerve endings and connective tissue, in other words, they are receptors that are stimulated by muscle contraction and pressure on the joint elements. It allows to know the position of the body and the degree of contraction of the muscles.
The sewing needle should float in the water if placed on a horizontal angle if I remember properly.
I hope this helps in some way.
