Answer:
this planet may be able to support life and perhaps it probably does
Explanation:
I'm pretty sure it's the one where it's like next to the paragraph name it's 30 and it says this point may be able to support life and perhaps it already does is it shows the author is saying yeah maybe they do exist so maybe he thinks that I exist on the planet
Answer:
The North experienced more immigration than the South. Southerners invested in slavery while Northerners invested in industry. The slavery issue increased tensions between the North and South.
Explanation: There are more answers here on Brainly!