Enzymes.
They lower the activation energy (amount needed to start a reaction) and increases the reaction rate.
Answer:
pretty sure it's the mantle
The correct answer would be A
There are many different names for sand dunes, it all depends on the way it looks like there is the reversing dunes and star dunes, parabolic dune, Barchan Dunes,Transverse Dunes, and <span>Nebkha or Coppice Dunes so yes you just got to find out which one it is by looking at the pictures of them </span>
Pattern because … weather would be moment.. please give me Brainly