Answer:
c. Spindle fibers
Explanation:
In eukaryotic cells, the centrioles are small sets of microtubules composed of tubulin proteins. Moreover, in animal cells, a centrosome is an organelle localized near the nucleus which contains a pair of centrioles. These organelles (centrosomes) are referred to as microtubule-organizing centers. During Anaphase, centrioles move to opposite sides in the cell in order to organize the spindle fibers and separate the chromosomes during cell division.
Answer: Hydrogen
Explanation:
Because it is the element that everything is created with it is everywhere. All life has hydrogen in it, our air, SPACE, everything.
Because these volcanic activities happen on plate tectonics.
This is not the best answer but I hope it could help you.
