What reagents, out of those below, would allow the most efficient synthesis of ch3ch2ch2ch2c≡ch from ch3(ch2)5oh? select all that apply?

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!

Maya wrote if you step to describe how carbon circulates between the atmosphere and living organisms

What do electromagnetic waves carry? how are they produced through which media can they move? where do they transfer energy? what do they not transfer? what do mechanical waves carry? how are they produced? through which media can they move? where do they transfer energy? what do they not transfer?