Answer:
Ionic bonds form only between metals and nonmetals. That's because metals “want” to give up electrons, and nonmetals “want” to gain electrons. It takes energy to remove valence electrons from an atom and form a positive ion. Energy is released when an atom gains valence electrons and forms a negative ion.
Explanation:
Answer:
it is (A)
Explanation:
i did this like a mouth ago
Answer:
you inhale oxygen and exhale carbon dioxide.
hope this helps and please mark brainliest :)
C i think ................................................
Answer:
I would believe the mesosphere would be the most difficult layer to breathe. Troposphere is where we are, ov we can breathe here, stratosphere would be hard to breath in as well
