When lettuce is torn, the break usually occurs along cell walls. More cells are kept intact, thus less spillage and oxidation results, explains Dr. Gordon Tomasi, UNC emeritus faculty. College algebra texts have this information. Books on electric circuits and instrumentation are also useful, advises Dr. Kendall Mallory, UNC Physics. Articles from School Science Review, Journal of Teacher Education, and other educational journals are available from our hotline files.
Solar flares cause storms in Earth's magnetic field.
Satellites that were within the magnetosphere may now be outside it. I'm looking for information on poisonous plants for my young readers. UNC's Michener Library has two elementary grade level books discussing such plants. We also have background information for you from science encyclopedias, botany and biology books which contain thorough discussions. Atomic chlorine is larger, and also forms a larger molecule than these other elements.