Showing posts with label Break. Show all posts
Showing posts with label Break. Show all posts

Thursday, 7 July 2011

PLT Takes a Break!

This blogger is on a summer break. I'll return on or about Monday, the 11th!
CU then!



Larry

Agriculture replaces fossil fuels as largest human source of sulfur to the environment

PHYS ORG A PinP photo. Historically, coal-fired power plants were the largest source of reactive sulfur, a component of acid rain, ...