The fact or state of being engrossed within something.
or
the process or action by which one thing that absorbs or it is absorbed by something else.
The answer is skeletal muscle all skeletal muscles are attached to some component of the skeleton, unlike smooth muscle which comprises hollow organs such as the intestines or blood vessels.
<span>Eubacteria and Archeabacteria (Archea)
Hope this helped :)</span>
Surface tension I think. which makes it feel like you are hitting concrete when you fall onto water from extreme heights.
Answer:
trilobite
Explanation:
I searched up all 4 things and it said the trilobite is the oldest being 542 million years old
