Science, if its not that, its engineering
Yep
Explanation:
Because running water moves objects with a low enough mass.
<span>Radon may cause lung cancer when inhaled.
a: is formed by the breakdown of the ozone layer
b: may cause lung cancer when inhaled
c: binds with hemoglobin, preventing binding with oxygen
d: contributes to the breakdown of the ozone layer
e: in the atmosphere limits the availability of sunlight for plants</span>
B. when limited resources cannot meet unlimited wants
Hope this helps :)