The correct answer I believe is sunlight
Answer:
Observation
-I smell onions
-My dog weighs 45 pounds
-It is 85 degrees outside today
Predictions
-My dog will bark at the vacuum cleaner
although he has never seen it before
-My mother is going to cook spaghetti for
supper next Tuesday
-It will be a long, hot summer
Explanation:
One way they are different is that they show elevation
It matters to the aerodynamics of it because sometimes it's good to have the weight but only if it can take it.
Charge = Number of Protons - Number of Electrons = 4
So, Your Answer would be: 4
Hope this helps!