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Before heating it, you should check the test tube for damage (scratches or cracks), and not use one that isn't perfect. You should also wear safety glasses (to protect your eyes in case the test tube explodes, which happens sometimes, even when heating water). If you are heating something that could react violently, you should use a blast shield (thick piece of clear plastic).
So there exists a record of your experiment that others, or yourself later on, can refer to.
You should ask yourself if the data supported your hypothesis
It depends on the situation. From life saving to just lawn mowing. When life threatening first attend to yourself than other, while lawn mowing if you remind your neighbor too much about his lawn. He might just be annoyed.
because.
In case the solution you are heating becomes voliate and sprays, or explodes. It will go through the path of least resistance, I.e. open end of a test tube.
The flame should be very pale blue (almost invisible) for heating strongly. This is achieved by opening the air hole fully.
I think that it depends on what you are doing if you are doing something hard I would do it with others but if it is easy for you you should do it by yourself
In my opinion, I think that we should love ourselves and others at the same time. It is nice to put others before yourself, but you must be happy with yourself in order to please other people.
Away from your face and supposedly into the faces of others.
This means that you should push yourself so that you don't have to be disappointed by others. This is a very true statement.
Just be yourself. It is OK to be different from others, but it is also OK to be similar to others. Your personal choices should reflect your own personality, not that of any other person.
You have the RIGHT not to be bullied. You have the RESPONSIBILITY not to bully others and if you can help others being bullied. You Should RESPECT yourself and others.
you should put on a pfd and huddle with others or curl up in a ballyou should put on a PFD and Huddle with others or curl up in a ball.
If you believe that you are a danger to yourself, to others or to society in general.
yes it should because people might bump into you and you may hurt yourself and others around you
No, if a person is named specifically on the mail, then that person should open the mail.