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.
Answer:
helps ecosystem
Explanation:
provides oxygen, clear water and air, water treatment and the list goes on
People like to do more stuff on a screen than they dont think that science is everywhere but they are to busy on their phones to notice.
The answer is c because the earth not only is tilted it orbits
When atomic orbitals mix and form a new atomic orbital