Mountains because the tectonic plates are colliding and pushed up against each other.
Accurate measurements have been collected for more than a century.
This process is known as thermohaline circulation. In the Earth's polar regions ocean water gets very cold, forming sea ice. As a consequence the surrounding seawater gets saltier, because when sea ice forms, the salt is left behind. As the seawater gets saltier, its density increases, and it starts to sink.
Over fishing can affect the seas
Answer:
A planet that had the right conditions for life
Explanation:
