Answer:
The theory for the origin and evolution of the universe is the Big Bang model, which states that the universe began as an incredibly hot, dense point roughly 13.7 billion years ago.
Answer:
A,C,D,B
Explanation:
1killometer=1000m
1mm=0.001m
1cm=0.01m
base unit of length is meter
This is the decomposition reaction, namely the reaction of photolysis.
2AgCl = 2Ag + Cl₂
It would be the Aqueous solution
