Animals use the respiratory system to breathe in oxygen and other gases and expel gases like CO2, right? O2 in, CO2 out.
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Yes, vaccination should be mandatory because without it all of us would slowly died from not having a cure. According to research people, they said; "vaccination will helps you to stay healthy. It also are important to your overall health such as diet and exercise."
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Spring tides occur when the sun, moon and earth are lined up, and it causes high and low tides to be much higher (moon is full/new). Neap tides occur when the sun, moon, and earth form a right angle this causes regular high and low tides to be much lower (first quarter and last quarter moon). The moons gravity and suns gravity pull the earths crust and ocean water.
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When you touch a doorknob (or something else made of metal), which has a positive charge with few electrons, the extra electrons want to jump from you to the knob. ... Static electricity happens more often during the colder seasons because the air is drier, and it's easier to build up electrons on the skin's surface.
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