Describe how you would set up your longitudinal correlational study to determine whether there is a bilingual advantage:

The answer is a i think

Velocity is the speed of an object in a certain direction so you'd need to know speed and direction

Answer (d) the universe had cooled enough for atoms to combine, protons and neutrons were too far apart to form nuclei;

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.