Answer:
A) Reaction X used a catalyst
Explanation:
Reaction X has a lower activation energy and the most likely cause of this would be a catalyst.
Answer:
High heat and pressure cause the rocks to become metamorphic. presses and presses down onto the rock, making it stay and compress down
Answer:
3 phosphate groups
Explanation:
Three phosphate groups make up the "tail" of an ATP molecule.
Enzymes are biological catalysts composed of amino acids; that is, they are PROTEINS.
ANSWER: Proteins