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According to the big bang theory,____
a.the universe expanded out from a single point
b.earth and our sun formed simultaneously
c.C and O were the first elements to form
d.all of the above

The first eukaryotes were___
a.fungi
b.plants
c.protists
d.animals

Science is basically based on___
a.beliefs
b.concensus
c.evidences
d.opinion

Plants have the following except___
a.cell walls
b.mitochondria
c.lysosomes
d.vacuoles