Panama land Bridge connecting the central amarica to south amarica how long has it existed

hear u go i think this is right..

Explanation: there's new geologic evidence that the narrow Panama land bridge emerged from the sea 12 million to 15 million years ago, much earlier than thought. This early uplift wreaks havoc with prevailing ideas, which suggest this strip of land established itself just 3 million years ago.

he supported the seperation of church and state. he also promoted religious tolerance.

interdependence is when all participating groups and individuals depend on each other. if you depend on one anothers goods, you end up trading in order to get the items you're looking for. (for ex: if i have food and you have water, we trade in order to depend on each other to live)