Answer:
If the substance is a liquid or solid, production of an odor would indicate a chemical change.
Explanation:
Answer:
the amount of valence electron, cna be found in the periodic table, which is called the atomic number which is top of the symbol
hope this helps!!! best fo luck to you
Answer: increase
Explanation: as pressure is increased, equlilibrium shifts towards the side with less moles of gas.
Answer:
In the 150 years since Darwin proposed the theory of evolution by natural selection, a mountain of evidence has accumulated ... How can you know what happened millions of years ago if no one was there to see it? Evidence and observation are the building blocks of all scientific inquiry; evolutionary science is no different
Explanation:
Answer:
I think it may be a but im not sure
Explanation:
It is not a complex compound so i dont think B and C make sense but im not sure, you should double check