She ran at either 5m/s
Or 11.185 miles/hr
Explanation:
Aight well if she did 100m in 20s then that’s 5m/s which would also be 11.185M/h
m = meters
M = miles
Hope this helps!
Answer:
The electrons in an atom move around the nucleus in regions known as electron shells.
Normally in a mine the ore thats extracteed is unpure and contains many impurities and so are usually compounds and so must be then processed to form pure elements
some elements can be extracted from a solution of its ions such as magnesium
hope that helps
"pH = - log[H3O+]
13 = - log[H3O+]
-13 = log[H3O+]
Log[H3O+] = -13
Log10 [H3O+] = -13
10^-13 = [H3O+]
[H3O+] = ?"