Web Search powered by Yahoo! SEARCH
Probably "C"; 3,000 years;
-considering the changes undergone in the Sahara Desert over the last 10,000 years, and changing conditions in (say) North America since the last Ice Age.
Yet also consider the stable conditions for periods of MILLIONS of years during the Mesozoic Era and Carboniferous Periods.Yet within those periods of millions of years, there may have been undetected "microclimates" of a few thousand years.
Interesting observation: It has only been within the last 10 years that I have ever noticed "sweet gum" trees growing north of Monvale, N.J.
Comments are the sole responsibility of the person posting them. You agree not to post comments that are off topic, defamatory, obscene, abusive, threatening or an invasion of privacy. Violators may be banned. Click here for our full user agreement.
Username * Don't have an account? Sign up for a new account
Password * Can't remember? Reset your password
Comments can be shared on
Add both options by connecting your profiles.
Feels Like: 85°
Feels Like: 70°
Feels Like: 84°
View popular webcams in our area.
Sign up to read an electronic replica of the Marco Eagle newspaper.
Get your local news anywhere you go from the Marco Eagle. Download app »
See photos from local anglers with their biggest catch of the day. Submit your photos.
Our radar shows current conditions and possible severe weather.