I believe the correct answer is A. Increases the rate of a chemical reaction. This is because they act as catalysts.
Answer:
A device to measure the dimensions of a object
Explanation:
Answer:
335 million years ago
Explanation:
Pangaea or Pangea ( /pænˈdʒiːə/) was a supercontinent that existed during the late Paleozoic and early Mesozoic eras. It assembled from earlier continental units approximately 335 million years ago, and began to break apart about 175 million years ago.
Answer:
If im not mistaken it is not made by elements
Explanation: