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:
One kind is called living things. Living things eat, breathe, grow, move, reproduce and have senses. The other kind is called nonliving things. Nonliving things do not eat, breathe, grow, move and reproduce.
Answer:
3
there are 3 nitogen atoms and two oxygen atoms on (3NO2) , also 2 hydrogen atoms and i oxygen atom on (H2O) therefore 2+1=3 oxygen atoms
Wait what huh I am confused huh..
<h2>Answer:</h2>
The correct answer is option B which is fusion occurs in the sun.
<h3>Explanation:</h3>
- Fusion in nuclear physics is an reaction in which two or more nuclei fuse to form another atom and due to mass conservation they also release energy.
- This reaction is common in sun and provides energy to sun.
- In sun two hydrogen atoms fuse to for a helium nuclei and giving some amount of energy.
- In sun there are 620 million metric tons of hydrogen fuse together each second.