Time, Ice size, water temp
first one, nerve cells are used to send messages from different parts of the body to the brain.
1.Wear a laboratory garment and wellbeing goggles to secure your face and body
- Take mind while conveying hardware
- Tie long hair back
- Dependably leave a Bunsen burner on the security fire (yellow) when it is not being used
- Don't wear counterfeit nails as they are profoundly combustible
- Do the test on a reasonable work area with nothing on it
- Never take a seat while doing an analysis in the event that something spills would you be able to can't escape the route in time and it goes on you, causing you hurt
- Tidy up everything suitably when teh explore is finished
- Be mindful so as not to touch or get as of late warmed protests as they might be hot
- Don't defile substances
2.Triangle with exclamation point means General Warning
Triangle with a flame means Highly Flammable
Triangle with a zig zag arrow pointing down means Hgh Voltage
A. is the answer i hope this helps
