Chemical reactions happen by them self like if you hear baking soda and it makes a gas.
Answer:
Pure elements:
Hydrogen(H)
Nitrogen(N)
Magnesium (Mg)
Pure Compounds:
Oxygen gas(O2)
Water (H2O)
Ammonia (NH3)
Explanation:
Hope it helps.Please mark me brainliest.^-^
the cell will expand as water moves into it.
Answer:
Explanation:Are You From Milo?