Why does the salinity of seawater remain constant over time?

Facilitates growth and change in neurons and the migration of neurons to different sites in the brain

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).

Brainliest ! which would require more force to move or slow down between a bowling ball and a soccer ball? explain why?