When layered into a single column, which water will sink to the bottom?

a.
cold water with no salt

b.
warm water with no salt

c.
warm, salty water

d.
cold, salty water

I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!

Which of the following is a solution a- brewed coffee b-tomato juice c- ranch salad dressing d- muddy water

If you used the method of initial rates to obtain the order for no2, predict what reaction rates you would measure in the beginning of the reaction for initial concentrations of 0.200 m, 0.100 m, & 0.050 m no2.