2. The Sun is considered the ultimate energy source because O A. the Sun is the center of our solar system
O B. the Sun provides energy for the water cycle and plants
O C. the Sun is limited in the amount of energy released daily
O
D. the Sun rises and sets each day as seen from Earth

Displacement is the slope of a velocity vs. time graph a. true b. false

A650 ml sodium bromine solution has a bromide ion concentration of 0.245 m. what is the mass (g) of sodium bromide in solution? a) 103.b)0.00155.c)16400.d) 16.4.e) 0.159

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!