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IrinaK [193]
4 years ago
9

PLEASE COME QUICK!!!!!!!!!!! I NEED HELP!!!!!!!

Biology
2 answers:
kiruha [24]4 years ago
6 0

Answer:

A. rarely

i need the brainliest now :)

pashok25 [27]4 years ago
4 0

Answer:

It's definitely either A or B, but the answer I would go for is b

Explanation:

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What is the significance of a chemical formula?​
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<em>like </em><em>the </em><em>name </em><em>of </em><em>elements</em><em> </em><em>involved</em><em> in</em><em> it</em><em>,</em><em> </em><em>number</em><em> of</em><em> </em><em>atom </em><em>of </em><em>each </em><em>element</em><em> </em><em>and </em><em>it </em><em>also </em><em>shows</em><em> </em><em>that</em><em> </em><em>which </em><em>type</em><em> of</em><em> </em><em>reaction</em><em> is</em><em> </em><em>going</em><em> on</em>

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<em>hope</em><em> it</em><em> helps</em>

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What should you do if you need to leave the laboratory temporarily in the middle of your work?
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Washing your hands is the final thing you should do before leaving the lab after an experiment. Since most chemicals are somewhat harmful, wash your hands before you leave. After taking the necessary measures, inform the teacher.

With its risky processes, hazardous chemicals, and fire threats, the science laboratory is inherently unsafe. Avoid coming into contact with chemicals directly. Never taste, smell, or inhale lab chemicals. After taking off your gloves and before leaving the work area, wash your hands and arms thoroughly with soap and water. In a laboratory, never consume food or liquids, chew gum or tobacco, light up, or use cosmetics. These fundamental safety offer guidance on conduct, cleanliness, and safety to prevent laboratory mishaps.

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How does the respiratory system help build social relationships?
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Answer:The respiratory system helps create sound that enables humans to communicate with each another.

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When the cell concentrates potassium within, against the natural tendency of matter, it is performing:
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