Isotopes have different amount of neutrons.
So you can tell what is an isotope by it neutrons.
Answer:
$69.35
Explanation:
125 divided by 3.785(liters in a gallon) , you get 33.025
multiply 2.1 by 33.025 and you will get $69.35
Answer:
c) none of them
Explanation:
because H20, N2 , O2 are all molecules except NaCl so there is no answers like ( 1, 3, and4 ) so we choose none of them.
The optimal pH is 6.9. The pancreatic amylase is a hydrolase secreted by pancreas and will go into the alimentary canal. The working environment has a pH of 6.9. So the optimal pH for the enzyme needs to be 6.9.