Answer:
eating
Explanation:
because when any food or anything that touches your saliva (spit) automatically a chemical reaction!
Answer:
A-Shape
C-state
Explanation:
reactivity and flammability are both indicators of chemicals changes
A gas can move around freely while a solid is hard and can’t move around freely
fourth period
The third period is similar to the second, except the 3s and 3p sublevels are being filled. Because the 3d sublevel does not fill until after the 4s sublevel, the fourth period contains 18 elements, due to the 10 additional electrons that can be accommodated by the 3d orbitals.
Evaporation, Condensation, precipitation and collection would be stages
