I’m not completely sure but ..........
<span>In the 1900s, the UMWA was culturally and historically significant because it was a segregated organization. It was a separate entity and was not dependent of any other organizations. They were independent and had their own leaders. They negotiate with the coal mining companies regarding right practices and benefits for the employees. </span>
Answer:
What's your question?
Explanation:
If you wan't help just post your question, otherwise... thx for the free pts I guess.
Differential weathering happens when softer rocks weathers away and leaves harder, more resistant rock
behind