That would be called <span>Defecation.</span>
<span>contractile vacuole
Contractile vacuoles are organelles that are responsible for excretion function. They perform osmoregulation which manages wastes, water and other needed materials in the cell. They are found in some prokaryoric organisms like the algae, protists, amoeba and other unicellular organisms.
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Because the earth's axis is tilted. ... It is all about the tilt of the Earth's axis. Many people believe that the temperature changes because the Earth is closer to the sun in summer and farther from the sun in winter. In fact, the Earth is farthest from the sun in July and is closest to the sun in January!
As countries began to have better technology, people began to have less children. Before, almost as many children died as were born, but with better healthcare, most survived, lowering the necessity for many children.
The Troposphere, its the closest layer to earth
