A for est fire has wiped out 100 acres of woods. What will the pioneer species be as species start to move back in?

Which best describes why nh4+ can form an ionic bond with ci-?

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

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!