Types of trees according to the duration of the leaves. Picture of a pine tree with an evergreen needle-shaped leaf. There are approximately 60.000 o 70.000 species of trees. They can be sorted by numerous criteria, from their use in gardening until the value of its timber. However, the two main criteria which are usually taken into account are the duration of the leaves and the type of flowers they produce.
July 27, 2010. 1  Brita water filters clean and sanitize drinking water. 2  Remove the filter cartridge. 3  Add six to eight drops of bleach to one gallon of water in the sink or a large bowl.  Fill your sink with enough fresh tap water to submerse the entire filter 1  cartridge. Fill the pitcher with water.
Leave the filter in this mixture for an hour. The water will clean the filter while the vinegar is necessary to kill harmful organisms. Be careful not to damage the filter when cleaning it. Once it's clean, give it a gentle wipe and allow it to air-dry. Before you reattach the filter, make sure that it's completely dry.he water will clean the filter while the vinegar is necessary to kill harmful organisms. Be careful not to damage the filter when cleaning it. Once it's clean, give it a gentle wipe and allow it to air-dry. Before you reattach the filter, make sure that it's completely dry.