Answer:N=0
Explanation:
Given


both blocks experiencing free fall so net weight of block during free fall is zero thus there is no normal reaction between them.
N=0
The nucleus is always positive since thats where the protons are located and the neutrons have no charge....
The Answer is B because primary consumers need to get their food from plants.
Answer:
pull over and bleed them to see if you need a new system then you should check you brake pads and see if their worn if all else fails pull over and kiss your bum goodbye
Explanation: