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Answers
Answer:
a) appendix comes in hand when we were children to absorb the nutrients the glucose and calcium present in milk of magnesia now it is a vestigial organ(the one that stops functioning as people evolve)
b) yes it is useful for chewing but certain people get it removed as it is the last one which is prone to cavities as it's not easy to clean the wisdom teeth
c)dinosaurs became extinct because they were not able to survive the meteor crash a question may arise how come nothing survive and from what did humans evolve but it's truly a fact that cockroaches survived the crash which are like microbs with comparision to the dinosaurs
d)many species are getting extinct due to large scale hunting which is done by the humans for various things let it be meat, tusks(ivory), horn which are used as decorative things
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Answer:
Explanation:
ANS 1 The function of the appendix is unknown. One theory is that the appendix acts as a storehouse for good bacteria, “restarting” the digestive system after diarrheal illnesses.
Ans 2 Wisdom teeth are the third and final set of molars that most people get in their late teens or early twenties. Sometimes these teeth can be a valuable asset to the mouth when healthy and properly aligned, but more often, they are Serious require removal.
Ans 3 Geological evidence indicates that dinosaurs became extinct at the boundary between the Cretaceous and Paleogene eras, about 66 million years ago, at a time when there was worldwide environmental change resulting from the impact of a large celestial object with the Earth and/or from vast volcanic eruptions.
Ans 4 The Main Cause Is Habitat Loss ,and some other factors. Deforestation and urbanization combine to create two reasons why plants and animals become extinct. ... As the human population grows, more and more land has to be cleared and urbanized for living space. This shrinks habitat for animals and plants.