Question

How can local environmental changes have global effects?
a.
Organisms can move from one environment to another.
b.
Air and water move from region to region.
c.
Increased carbon dioxide in one location can cause increased temperatures in other locations.
d.
All of the above are true.

Answer 1

d. All of the above are true.

Local changes can spread: organisms disperse (sometimes becoming invasive), air and water currents transport pollutants and heat between regions, and greenhouse gases emitted locally mix in the atmosphere and contribute to global warming.