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storchak [24]
2 years ago
14

We should NEVER keep volatile solvents, such as ether, acetone, or benzene, in an open beaker or Erlenmeyer flask because vapors

can ignite and flashback if they reach a flame. All BUT ONE safety precaution is necessary when using volatile solvents. That is _____.
WILL MARK BRAINIEST
a. Work under a fume hood

b. Know how to engage the safety shower

c. Always heat in a closed container

d. Know the location of the fire extinguisher
Biology
1 answer:
Law Incorporation [45]2 years ago
8 0

Work under a fume hood is the safety precaution is necessary when using volatile solvents.

<h3>What is the benefit of fume hood?</h3>

A fume hood is very important in order to remove toxic or hazardous materials from a work area. Due to this device, the personnel in that area are protected.

So we can conclude that work under a fume hood is the safety precaution is necessary when using volatile solvents.

Learn more about solvent here: brainly.com/question/25326161

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mezya [45]

hormones can stimulate cell regulators to increase cell reproduction. Thus option C is correct.

<h3>what are the role of hormones in reproduction ?</h3>

Hormones are the chemical messengers  produced by the endocrine cells  and it move through the blood, act on target cells.

The two most important reproductive hormones are estrogen in female and testosterone in male.

Estrogen induce the eggs development and maturation process in adult female and released during regular intervals of menstrual cycle.

Testosterone in male responsible for male gamete production.

Other hormones involved, such as Follicle stimulating hormone (FSH), Luteinising hormone (LH).

Thus option C is correct.

Learn more about hormones, here:

brainly.com/question/13260616

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