Chaos
The driving distance between Portland, OR and Bend, OR is 177 miles. The driving time would be approximately 4 hours if driving non-stop in good conditions. (The driving time does not take into consideration conditions such as weather, road work and rush hour traffic in urban areas.)
The driving distance between Seattle, WA and Coos Bay, OR is 395 miles. The driving time would be approximately 7 hours if driving non-stop in good conditions. (The driving time does not take into consideration conditions such as weather, road work and rush hour traffic in urban areas.)
The driving distance between Boise, ID and Yuma, AZ is 1052 miles. The driving time would be approximately 19 hours if driving non-stop in good conditions. (The driving time does not take into consideration conditions such as weather, road work and rush hour traffic in urban areas.)
The driving distance between Portland, OR and Casper, WY is 1166 miles. The driving time would be approximately 19 hours if driving non-stop in good conditions. (The driving time does not take into consideration conditions such as weather, road work and rush hour traffic in urban areas.)
The driving distance between Portland, ME and Baltimore, MD is 502 miles. The driving time would be approximately 8 hours if driving non-stop in good conditions. (The driving time does not take into consideration conditions such as weather, road work and rush hour traffic in urban areas.)
how would uncontrolled cutting of pine trees
It depends on where you live, but generally, no, they would not drive minors unsupervised.
treat it as you would a yield sign
D uncontrolled population growth
It would be extremely irresponsible.
Tumor grows
The driving distance between Gainesville, FL and Ocala, FL is approximately 38 miles. The driving time would be approximately 45 minutes if you were to travel non-stop in good driving conditions. (The driving time does not take into consideration conditions which may extend trip time such as weather, road work and rush hour traffic in urban areas.)
Generally, the same things that you would measure in miles.
it would cause cancer to develop
120
Not while they're operating a vehicle on public roadways. If they're doing anything not related to driving, they don't have to carry one on their person - nor would anyone else in any other occupation.
It would really depend on if you trust them, but if I had a 14 year old, I would get a babysitter.