I think it would be d because the spring or whatever was pushing until it reached the farthest it could then it would pull down but idrk
Answer:
Zinc- Zn
Mass Numbers:
Tin-118.71 u
Zinc- 65.38
Protons:
Tin-50
Atomic number zinc 45.38
Zinc has 30 electrons
Tin has 50 electrons
35 neutrons in zinc
iodine-
atomic number- 53
78 neutrons
cl-1 is chlorine
atomic number 17
18 neutrons
17 electrons
atomic number 35 is bromine
symbol Br
35 protons
45 neutrons
35 electrons
Aluminium
protons and electrons 13
neutrons 14
atomic number 14
fe+2
26 protons
24 electrons
30 neutrons
ferrous iron
Cu+1 copper
63.546 mass number
proton and electron 29
neutron 35
The effector strain of bacteria is that the bacteria would colonize on the teeth and help prevent the child from developing cavitie
