The teacher
should discuss safety procedure with students at the beginning of the experiment
or laboratory assignment. The teacher
should give list of rules for students.
1.
Always wear safety goggles.
2.
Never
touch or rub eyes of face during science investigation.
3.
Keep lids on when not in use.
4.
Never use broken/chipped glassware.
After many years of pressure and possibly heat it will be compressed back into a form of rock such as sediment.
A galaxy where mainly stars and planets form around one or more spiral arms. (usually more?)
It seems that you have missed the necessary options for us to answer this question, so I had to look for it, so here is the answer. <span>If nondisjunction occurs, one of the resulting cells will receive</span> no homologues of a chromosome. Hope this answers your question.
