Answer: low pressure
Explanation: Air at the equator is warmer and the air above expands, becomes less dense and rises
Answer:
1) 40
2) 2.25 moles
3) 17
4) 120
5) Fe₂O₃
Explanation:
Please see attached picture for full solution.
Answer:
calcium ions are released from its store inside the sarcoplasmic reticulum, into the sarcoplasm (muscle ).
Explanation:
<span>D. It shows that the electrons within an atom do not have sharp boundaries.</span>