1) Who owns the invention of the first airplane? a) cornelis drebbel b) wright brothers c) james mclamore d) Dr. john pemberton 2) what is the largest mammal? a) a whale b) a giraffe c) human d) a squirrel 3) how many layers of the atmosphere are there? a) only seven b) three i guess c) six take four (2) d) ofcourse five 4) How many continents are there in our world? a) eight b) seven c) five d) six 5) What are the particles that make up an atom? a) neutron and positron b) plutonium, uranium, thorium c) proton, elektron, neutron d) everything is wrong.

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