Because they were inexperienced
Answer:
'cause they were primitive
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What are the causes of the water pollution that threaten South Asia today?
<span>overpopulation, growing cities, damming of rivers, and the need for more irrigation </span>
<span>burning down of forests, building of new factories, and more cars </span>
<span>the use of major rivers in religious festivals </span>
<span>pollution in the Himalayan streams that drain into the region’s major rivers
from jiskha
</span>
A sandblasted rock could be different in color because sandblasting takes the top layer of the rock (which has been weathered) off.
