Compounds are molecules with 2 or more elements
So the answer would be the third one
CO2;H2O
Answer:
that is cool and i have one interesting fact
Explanation: North Korea and Cuba are the only places you can't buy Coca-Cola
Answer:
0.96 m, upward
Explanation:



Initial velocity, u=0


Where 
Substitute the values





Hence,the block moves upward because displacement is positive.