Answer:
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Answer is: c) CH₄.
<span>Average speed is inversely proportional to the molar mass, ligher molecules travel faster. Calculate molar mass of all molecules:
a) M(O</span>₂) = 2·16 = 32g/mol.
b) M(N₂) = 2·14 = 28 g/mol.
c) M(CH₄) = 12 + 4·1 = 16 g/mol.
d) M(SF₆) = 32 + 6·19 = 146g/mol.
e) M(CO₂) = 12 + 2·16 = 44g/mol.
The statement which is an inference is; "the velocity of the stream is greatest near the outside of a meander."
The scientific method involves observations, hypothesis, experimentation and inference. The inference is a conclusion arrived at after conducting an experiment.
Hence, an inference is not a futuristic statement or a prediction but a statement of fact as gathered through the scientific study. The statement which represents an inference among the options is; "the velocity of the stream is greatest near the outside of a meander."
Learn more: brainly.com/question/15875754?
Answer:
A. Atoms of new elements are found.