Experimental technique I believe
The answer is cotton. It is natural because it is grown and easily woven in to clothes :)
Answer: All the given precaution are important to take care when working with heat and fire.
Explanation:
Double check on these precaution should kept be while working or experimenting with fire and heat:
- Hair should be tied back : bun or pony will be fine. if hair are untied then chances of catching fire by hair will be high.
- Do not touch hot equipment ,if required use gloves or tongs. Touching hot equipment with bare hands may lead to burns or minor (or major) accident
- Keep your face and eyes away from the flame while experimenting.Cover your face with mask and goggles.
- Do not mix chemical until or unless told to do so. This is because some times mixing of chemicals leads to evolution of large amount of heat which can difficult to handle.
- Be careful regarding cloths while working with heat and fire.
- Flammables must be kept away and should be used with caution. Safer distance must be maintained
Answer:
The answer is Homo Erectus.
Explanation:
There is evidence that the first hominid species that controlled fire and migrated was homo erectus which was about 400.000 years ago but it is not accurately known and can range between 200.000 and 1.7 million years.
I hope this answer helps.
Clay?
could you provide the options?
