Design a balance that finds mass by comparing the mass of known object to the mass of an known object to the mass of an unknown object. study the triple- beam balance used in this activity and think about how you could balance two or more objects. construct your balance and use it to find the mass of an object. how could you improve your balance?

Region b indicates the occipital lobe

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the