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The temperature must be hot to do so.
If the ignition temperature of a substance is lower than the room temperature where it is, then that substance ignites.
There is no particular temperature at which tornadoes happen, but they are most common on hot days and are often followed by a temperature drop.
They start to move faster, therefore, the reaction will happen quicker. This is because there is more chance of a collision between the particles.
When temperature increases so the reading shown also increases.
when the tempreture rises the gaps between the concrete pavement will expand because of the heat.
when the tempreture rises the gaps between the concrete pavement will expand because of the heat.
earthquakes happen when these sections of earths crust move
They're called "expansion joints". Concrete expands and contracts with temperature changes. The expansion joints allow this to happen without cracking the concrete slab.
earthquakes happen when these sections of earths crust move
Concrete will react differently according to the temperature experienced. for normal strength concrete nothing will happen at less than 500c but after that it starts losing its strength and cracks will appear will fail from 5-6 hours and it may explode but exploding is less likely to happen but for high strength concrete at a very high 500c-700c it well explode suddenly
a salami.
Cement seggregates
it will be a good environment for salts which will occur in the strength of concrete
Setting indicate the beginning of stiffening of concrete ,in this case the concrete has not any strength and any cracks if occur can be re unit the concrete in this state just like a dough bread afar setting the concrete stiff and become hard and get strength and any cracks if happen cant be re unit
Heat is transferred from one object to the other.
You may hurt yourself badly.