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:
Weathering is the breaking down of rock
Explanation:
Pls mark it as brainlest
Robert Hooke contribute to the cell theory because he was the first person to use the term “cell.”
<h3>What is contribution of Robert Hooke to cell theory?</h3>
Hooke observing cork through his microscope in which he saw tiny cavities which he described as cells. Hooke's discovery led to the foundation of cell theory.
So we can conclude that Robert Hooke contribute to the cell theory because he was the first person to use the term “cell.”
Learn more about cell here: brainly.com/question/13123319
Answer:
Hello.
• gels can melt during electrophoresis, the buffer can become exhausted, and different forms of genetic material may run in unpredictable forms.
• And the strengths could be that it separates based on size, it is relatively easy to do.
A filter is a device that can reduce particulate in gaseous emissions from mobile exhausts. Specifically known as diesel particulate filter (DPF) removes soot from gasses of the diesel engine through the exhaust. It significantly reduces the amount of pollutants present in the air.
