The sensor in a crash-test dummy records the magnitude and direction of the net force acting on the dummy. If the dummy is thrown forward
with a force of 130.0 N while at the same time being hit from the side
with a force of 4500.0 N, what force will the sensor report?

Answershe should not have multiplied the sulfur atoms by the subscript 4

How is it possible that phylogenies based on sequences from nuclear genomes and organellar genomes (i.e., chloroplasts and mitochondria) from the same group of species yield phylogenetic trees with different branching orders?   answer :   the genome of the endosymbiont is more closely related to members of the group in which it originally evolved, while the nuclear genome of the engulfing organism has its own evolutionary trajectory.

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