Tano l < tano r
r> l
b) give reason for each of the following:
1) the electrical conductivity of copper is high.

Ibelieve that the correct answer is: c. along plate boundaries

An atom's smaller negative particles are at a distance from the central positive particles, so the negative particles are easier to move. 

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.