It’s a fluid that helps the brain by protecting it providing nourishment and controlling the waste removal.
Answer: Every action force results in an equal and opposite reaction force.
Explanation: newtons law
Answer:
answer is A. Alkaline metal lose two electrons not gain
Answer:
There are 11 protons in a sodium atom but only 3 in a lithium atom, so the nuclear charge is much greater. ... The only factor left is the extra distance between the outer electron and the nucleus in sodium's case. That lowers the ionization energy.