Answer:
100%
Explanation:
My teacher just asked this question.
Change in velocity over time is acceleration.
You're finding acceleration .
Answer:
The element from Group 13.
Explanation:
Following trends of the periodic table, atomic radius of the elements increase going down from the right side and decrease on its way up diagonally to the left. (sry if u can't understand me)
The answer is c because of going left to right