How do dehydration reactions contribute to the abiotic polymerization of small molecules into macromolecules?

• A. They add water, breaking down polymers into monomers.
• B. They remove water, facilitating the joining of monomers into polymers.
• C. They increase the temperature, speeding up the polymerization process.
• D. They stabilize polymers by preventing chemical reactions.

Answer: (B)