Place the beef on top of the vegetables. Place the tray in the oven, then turn the heat down immediately to 200Â°C/400Â°F/gas 6 and cook for 1 hour for medium beef. If you prefer it medium-rare, take it out 5 to 10 minutes earlier. For well done, leave it in for another 10 to 15 minutes.
E-waste is dangerous to deposit into Solid Waste landfills because of the heavy metals contained in them. All the circuitry uses trace amounts of these materials that may not be hazardous on an individual basis, but we are landfilling tons and tons of these materials together.
1 Use the PaperRecycles.org School Recycling Lesson Plan to set up a paper recycling program at your school. 2  When you are recycling, do not forget that it is important to keep the paper free from contaminants. 3  Find project ideas for kids, information about school recycling programs, and legislation news at the RecycleWorks At School website .