If you have choices, it would be really helpful if you'd include them with your question, but I'd say
More than half of the forests in the Czech Republic have been destroyed by pollution.
Theres a big radiation cloud that only provides stronger evidence that the big bang theory is correct.
the word tectonic is refered to the tectonic plates in the earth. they cause all the earthquakes and they also create mountains in a way. and the earth is divided into 6 pieces
Most deforest trees for agricultural land.
I hope this helped!
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