Humans must take action to minimize risk against natural disasters. such minimization of risk is called
a) hazard watch
b) hazard alarm
c) hazard mitigation
d) hazard protection

Not what goes around on earth but the universe too.

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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.