Explain how the catalyst of exploration created the ''new era'', modern geography, noting the roles of columbus, mercator and humboldt.

For all machines-not just hammers- the user applies force force to the machine to the machine over a certain distance. question 1 options: input output duo none of the above

Without stratospheric ozone, which of the following would most likely occur? i. smog over major cities would be greatly reduced. ii. farms would produce surplus crops because of increased photosynthesis. iii. uv radiation would damage phytoplankton and reduce populations of aquatic consumers. i only ii only iii only i and ii i and iii

Why does pacholke say that it shouldn’t make you happy that “as a prison system, as a nation, and as a society, we've become very good” at containing and controlling the people who have fallen through all of the other societal safety nets? what do you feel that he is insinuating by this statement? explain.