If two forces on an object are not equal in size, then the forces are unbalanced, and a change in motion results. Which of the following examples does NOT represents an object with an unbalanced force? A car sitting in a garage
A leaf falling from a tree
A rocket being launched
A baseball is thrown into the air

the right side of the picture going down is:

polymerase

protein

transport vesicle

modified protein

the left side of the picture going down is:

dna helix

single-stranded rna

endoplasmic reticulum

ribosome

golgi apparatus

protein released from vesicle

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a "theory" a suggestion that is not 100 % accurate, or a figure. some people say its a theory because they of all the passed theory's about one subject. it depends sometimes theory might be accurate and sometimes they are.