About how many years ago was the bering land bridge said to have formed? answer 225 million 225,000 250,000 22 million

The correct answer is : 22 million

Explanation:  The bridge ran from the tip of Siberia, western Alaska and most of the Bering Sea. The bridge was formed in two periods. It was useful for plants and animals to migrate and probably also human beings, it is possible that tribes of Asia had crossed the bridge.

a is the final : )

a sample of water is taken and kept in a beaker in a freezer at a constant temperature of 0°c. if the system is at dynamic equilibrium, which of these statements is true?