Hello there.
<span>Who were two important explorers for spain, and what did they accomplish?
</span><span>Francisco Pizarro.
</span><span>Christopher Columbus.</span>
It was primarily that "Miners began searching for gold in Indian lands," that caused renewed fighting between Americans and western Indians during the 1860s, although basic issues of expanded white settlement played a role as well.
I’m not sure fir this one B
The effect of greenhouse gases on the Tundra ecosystem will cause Increased greenhouse gases will increase the overall average temperature of the region, resulting in the melting of the polar ice.
The tundra is a scientific term to refer to the polar geographic region characterized by:
- Low growing vegetation.
- Frozen subfloor.
- Absence of arboreal vegetation.
- Soils that are covered in moss, lichens, snow, or ice.
- In some places they are swampy.
This region is being affected by greenhouse gases because they heat the poles, cause a thaw, and the water level is rising making the tundra an exclusively marshy region.
Learn more in: brainly.com/question/2018762
