More detail? If you can send it.
Answer:
c) Wash your hands
Explanation:
A laboratory or most popularly called as lab is a place or facility which provides controlled conditions where some educational research, scientific studies, experiments, testings, can be performed. The place is equipped with sophisticated machines, test samples, hazardous chemicals, instruments etc.
The university or college lab, there is a incharge of the lab called as the lab instructor who is responsible for all the belongings of the lab and the safety of the experimenter or the students.
After performing some experiments or testing with some chemicals, the last and the most important thing we need to do is to wash our hand with soap or hand wash. it is very important because we touch many test samples and hazardous chemical which might go inside our mouth or eyes accidentally, which might be harmful to us.
So, it is important to wash our hand at last before leaving the lab.
Answer:
3
Explanation:
14-11=3
- Hope that helps! Please let me know if you need further explanation.
The controlled variable is the one that stays constant and remains the same throughout the whole investigation
This will require 266.9k j of heat energy my explanation for this is to calculate the energy required to raise the temperature of any given substance here what you require the mass of the material,m the temperature change that occurs AT
