Answer:
<em>These </em><em>are </em><em>harmful </em><em>effects </em><em>of </em><em>earth </em><em>and </em><em>it's </em><em>natural</em><em> </em><em>systems </em><em>due </em><em>to </em><em>the </em><em>action </em><em>of </em><em>humans.</em>
<em>I </em><em>hope</em><em> this</em><em> helps</em>
Subculture is a culture within a culture. A division if you will. Counterculture is the opposite of another culture. They are related in that they both have to do with culture.
I mean to my understanding yes, the scale the object was measured on may have dust particles on it, making the accurate measurement not completely precise, or maybe some things that were out of your control alter the measurement. I hope this helps:))
Answer: They gained all of that because they had the manpower and modern weapons to do it. People in Africa at the time didn't really have much.