which ratifies a proposed amendment to the constitution

The Constitution provides that an amendment may be proposed either by the Congress with a two-thirds majority vote in both the House of Representatives and the Senate or by a constitutional convention called for by two-thirds of the State legislatures.

Hopefully this helps.. Sorry if it’s wrong.

These islands/chinampas then provided rich soil for crops with easy access to water. i hope this is correct, im so sorry if its not !