about telling the time, i haven't taught her that at home, but they are learning it in school and she's pretty good at telling the time now. Hi my son could tell the time quite early on, he's very academically bright, so could tell time at 4 years, he could tie his tie at 5/6 years, and tie laces at 8 1/2.
These 10 facts about space will blow your mind. External combustion is a process in which a device, such as a motor or engine, is powered by fuel burned outside of the device. It is an alternative to traditional combustion engines, where fuel is burned within the engine itself.
Combustion is the burning of fuel in the presence of oxygen to produce heat which is further used to make work. When anything burns it is combustion that is taking place. It can be expressed as the burning of oxidant and fuel to generate heat or work.