Answer: the last period. i think has the largest energy level
Explanation:
<span>if the airplane moves at a speed of 25 m/s the mass is 855kg</span>
Answer:
Neutrons
Explanation:
<em>Protons</em> and <em>neutrons</em> make up the nucleus of the atom
Answer:
agear lever or agear stick is the lever that you use to change gear in acar or other vehicle