The concept of molecules:
a. helps model how the law of definite proportions might work.
b. proves the law of definite proportions.
c. is unrelated to the law of definite proportions.
d. violates the law of definite proportions.
e. supports the Aristotelian concept of four basic elements.
Question 2
What is the law of definite proportions?
a. All compounds have half as much of one element as they do of the other element in the compound.
b. Each chemical compound always contains the same elements in the same proportion by mass.
c. In any given compound, the ratio of the number of atoms of can vary from molecule to molecule.
d. All compounds have equal amounts of each element that composes them.
e. In any given compound, the ratios of the mass of the elements can vary widely.
Wilson and Simberloff's experiments on the equilibrium model of biogeography.
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A color-enhanced electron micrograph of circular plasmid molecules
The epigenetic stem cell model proposes that both epigenetic changes