It made steel more cost effective
<span>Steps which must be taken to improve environmental quality in Eastern Europe are:
Data collection, enforcement, and international policy development
</span>
Hope this helps!
The most acceptable theory about how humans came to populate Earth is that they migrated over land from Africa over the last 80,000 years.
<h3>What was the widely accepted human origin? </h3>
It was accepted that Africa is where the modern humans began over thousands of years from which they spread across the world.
It was believed that different environments needed different appearance and behavior and this led to ab enormous variety among human populations of the Earth.
Therefore, the Option C is correct.
Read more about human origin
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Positives:
Trades and other goods,
Warmer houses and medicines.
Negatives:
Forced into religions,
and land was taken from them
