Science

Recent Answers

2009-11-24 Geography - lines of latitude:

Hi Francine, Dec. 22 is the shortest day in the Northern Hemisphere (longest in the southern). It is the point at which the sun is directly above the Tropic of Capricorn (23 degrees south of the Equator)

2009-11-24 Meteorology (Weather) - CO2:

Hi Matt 0.04% http://www.cou2.com/Carbon-dioxide-in-the-Earth's-atmosphere.html Depending upon the solar activity is one of the determining variables as to the the amount of global warming

2009-11-24 Entomology (Study of Bugs) - I think this might be a centipede but not sure:

This is a garden centipede. They feed on decaying organic materials and really flourish after rainfall. They are considered harmless to humans and animals, but can emit a foul smell and taste if bothered

2009-11-24 Environmental Science - Measuring Pollution:

You can set up a miniature fire place, but why to to the trouble? Get a saw and make sawdust from the wood you have and then collect it. Each tree will have its own type of sawdust, so be careful not

2009-11-23 Entomology (Study of Bugs) - stinging or biting insect - flea?:

Dear Dana - As you likely already realize, the Extension Service is associated with the University of Maryland in College Park. If no one at the county office would be able to identify whatever you might