What are the three basic ingredients required to start a fire? Oxygen, heat, and fuel are frequently referred to as the “fire triangle.” Add in the fourth element, the chemical reaction, and you actually have a fire “tetrahedron.” The important thing to remember is: take any of these four things away, and you will not […]
What are the biotic and abiotic factors of a rainforest?
What are the biotic and abiotic factors of a rainforest? Some examples of biotic factors in the tropical rainforest are toucans, frogs, snakes, and lizards. Abiotic factors in the tropical rainforest include humidity, soil composition, temperature, and sunlight. What are the factors of rainforest? The tropical rainforest biome has four main characteristics: very high annual […]
What are the Alt key codes?
How do you attract negative ions?
How do you attract negative ions? Run an indoor water fountain. The force or energy of falling water causes the neutral particles in air to split which frees electrons to attach to other air molecules resulting in negative ions. Have tourmaline crystals nearby or wear them. Tourmaline is believed to convert moisture from the air […]
Why cool air sinks and warm air rises up?
Do personality disorders ever go away?
Do personality disorders ever go away? The disorders do have one thing in common: They usually don’t go away without treatment. Psychologists are finding new approaches to treating these notoriously hard-to-treat disorders. Two interventions show promise for treating borderline personality disorder, the most-studied personality disorder. How do you know someone is toxic? Read on for […]
What is the relation between power and focal length?
How can you tell if air is saturated?
How can you tell if air is saturated? A state of saturation exists when the air is holding the maximum amount of water vapor possible at the existing temperature and pressure. When the dew point temperature and air temperature are equal, the air is said to be saturated. Dew point temperature is NEVER GREATER than […]
What is low density polyethylene used for?
What is low density polyethylene used for? Low density polyethylene (LDPE) is used mainly in film applications for both packaging and non-packaging applications. Other markets include extrusion coatings, sheathing in cables and injection moulding applications. What are the characteristics of low density polyethylene? Low density polyethylene has good chemical resistance and electrical properties, but it […]