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
13m/s^2 you take the distance and divide it by the time
It uses nephridium as the expiratory organ for flat worms
Answer:
Photosystem I (PS I) and photosystem II (PS II) are two multi-subunit membrane-protein complexes involved in oxygenic photosynthesis. ... The main difference between photosystem 1 and 2 is that PS I absorbs longer wavelengths of light (>680 nm) whereas PS II absorbs shorter wavelengths of light (<680 nm).
Explanation: