Answer:
An element's location in the periodic table is largely dependent on its electrons; the number of valence shell electrons determines its group, and the type of orbital in which the valence electrons lie in determines the element's block.
Explanation:
hope that helps!!!!!!!!
The correct answer here is "cell membrane". Generally it makes sure that nothing enters or leaves the cell, except by its highly guarded "gates", such as ion channels, that let some particles through - but they're very picky about whom to let in!
The best way would be DNA
I would say all of the above
Is that an option?
Answer: jet stream if im not mistaken
Explanation:
