Which of the following would be considered a modern cultural hearth? xian tokyo seoul pyongyang

Iam stuck on this question! 45 points : ) how do increases in temperature affect the density of ocean water? answer choices: (a) density does not change (b) density increases (c) density becomes variable (d) density decreases

True or false. the baltic states have taken steps to diversify. or decrease the variety of their industries

How many time zone are there on earth