Smoke is a collection of tiny unburnt particles – very small carbon particles and tiny droplets of tar.
We often hear about destructive fires in the media. We know that fire is dangerous and can cause severe damage ...
What is smoke and why do some fires seem to have more smoke than others?
In this activity, students investigate some of the physical, chemical and physiological properties of carbon dioxide gas. In addition, a ...
The researchers have developed a genetic risk profile and tested its accuracy on New Zealand’s possibly most observed and experimented ...
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