They're both where plates meet up.
One main effect of the global catastrophes was the rising temperature, also known as global climate of the earth surface.
<h3>What is a green house effect?</h3>
This is a natural process that happens when the gases in Earth's atmosphere trap the Sun's heat.
Therefore, the main effect of the global catastrophes was the rising temperature, also known as global climate of the earth surface.
Read more about green house effect
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They are brought from colder regions e.g. the North and South poles where ice caps are melting to give cold water. Currents are due to the effect of wind on the water.
Coal mining is known for in Australia. Hope this helps! Happy Studying!