An object has one force acting on it. it is a 33-newton force pointing downward. to create a net force of zero on the object, which force must be applied to it? a. a 33-newton force pointing upward b. a 1-newton force pointing upward c. a 33-newton force pointing left d. a 0-newton force pointing downward e. a 1-newton force pointing right

Hi, your answer is not correct. this is a cumulative  

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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Hi. i believe this is called a scientific  theory.cheers!