Answer: D
Explanation: Even if the audiance did not have a pair of shoes felt uncomfortable or worried not a lot of people would have noticed. If anyone noticed it would only be about 5% of people so that is how I came to the conclision of D.
Answer: A. or C. (most likely C.)
Explanation:
All molecules of a compound have the same properties. ... All molecules of a compound have one type of atom.
Jeez, they r both true.....go with A. or C.
Hope this helps!
Answer:
Yes bc the atmosphere changes through the earth of the surface
Just because they have same atomic masses doesn’t make them similar. They have different chemical properties because they are made of different things. And physical properties because they form different bonds with different atoms in the process.
The solution will be acidic if it contains a greater concentration of hydronium ions and acidic if it contains a greater concentration of hydrogen ions. So High concentrations of hydrogen lead to low pH(acidic) whereas low levels of hydrogen ions result in in a high pH(basic)