Answer: Wouldn't it just be her blocks all walked in an hour added together?
Explanation: 5+2+3+2=12 so 12 blocks an hour?
PH measures the concentration of hydrogen ions (

) in a solution. Knowing this, you can determine how acidic -or basic- your solution is.
Can you elaborate more on the question please
Answer:
rocks and other materials inside the Earth. 5.
Explanation: