C
because it describe the relationship between the motion of an object and the forces acting on it.
It is called a population. hope this helps.
C is your correct answer.
- the unique living arrangement of an organism defined by its habitat, food sources, time of day it is most active, and other factors
grp 17
Explanation:
this should be the new periodic table:) grp 1 and 2 belongs to metal. grp 18 belongs to halogen which have full valence electron thus they are inert/ unreactive. thus the ans is grp 17. grp 17 are halogens which are non metals.
