Both because their can be pollution and good things
A cell spends 10-20% of its time in Mitosis.
If this is wrong...sorry :)
This is necessary because if it ISN'T instinct then the young would die far more often.
Stars are the spherical object according to Aristotle's geocentric model.
<h3>Aristotle's geocentric model</h3>
Aristotle's model of the universe was also geocentric in which the Sun, Moon, planets, and stars all orbiting the Earth and present inside of Eudoxus' spheres and also revolves around the planet earth.
Aristotle believed in a geocentric Universe and that the planets and stars were perfect spheres, but the Earth itself was not a perfect sphere so we can conclude that Stars are the spherical object according to Aristotle's geocentric model.
Learn more about stars here: brainly.com/question/13106554
The connecting piece of a sperm is packed with gonads that produce energy.
Sperm is the male reproductive cell and is derived from the Greek word "Sperma" Significance is Root.
Sperm cannot divide and have limited life span, but after fusion with egg cells through fertilization, a substitute orgasm begins developing, starting as a totipotent zygote
