Protons have a positive energy charge, while neutrons have a neutral charge
Answer:
I think its distance
Explanation:
when measuring how far a p.o art u can use mm
The answer is B 1,500 meters since 1 kilometer to meters is 1,000 and u add the 500
Comparative investigation is a research method that makes comparison across different countries of the world. Limitation : data set in different countries may be defined differently. Benefit : the method is flexible.
Good morning.
We have:

Where
j is the unitary vector in the direction of the
y-axis.
We have that

We add the vector
-a to both sides:

Therefore, the magnitude of
b is
47 units.