Author Biography: Lwaxy

In the past, it was thought to be a good idea to introduce plants to new environments without a thought about the possible impact on their new surroundings. Some of those plants have integrated well, but the majority did not. Recommended for grades: 5

A daily routine for each of us, but who gives a second thought about what happens when we're done using the john? Find out some interesting details.

It's so convenient to flush things down the toilet even when it was not designed to be a garbage bin. With some things this is fine. But with other things it is not. All sorts of problems come from thoughtless flushing.