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Anastasy [175]
2 years ago
7

Safety laboratory rules​

Biology
2 answers:
salantis [7]2 years ago
5 0

Answer:

please mark me brainliest

Explanation:

Know locations of laboratory safety showers, eyewashstations, and fire extinguishers. ...

Know emergency exit routes.

Avoid skin and eye contact with all chemicals.

Minimize all chemical exposures.

No horseplay will be tolerated.

Assume that all chemicals of unknown toxicity are highly toxic.

PolarNik [594]2 years ago
5 0

Answer:

Rule #1 - WALK

Rule #2 - PROPER LAB ATTIRE

Rule #3 - HANDLING CHEMICALS

Rule #4 - HANDLING EQUIPMENT

Rule #5 - BROKEN GLASS

Rule #6 - EYE WASH/SHOWER

Rule #7 - FIRE SAFETY

Rule #8 - EATING/DRINKING IN LAB

Rule #9 - CLEANING UP

Rule #10 - HAND WASHING

Explanation:

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Only laboratories BSL-3 and higher require fire extinguishers, emergency showers and eye wash stations.
garik1379 [7]

Answer:

false

Explanation:

Fire extinguishers, emergency showers and eye wash stations are basic safety elements that must be present in all laboratories, regardless of their classification. This is because these are essential elements for common accidents in laboratories and can be easily solved with their presence.

8 0
3 years ago
A lung or swim bladder, which helps the body create a balance between sinking and floating by either filling up with or emitting
oksano4ka [1.4K]

Answer:

yes it helps controll  the fishes depth

Explanation:

8 0
3 years ago
WILL MARK BRAINLIEST!
Solnce55 [7]

Answer:

Recessive

Explanation:

When there is a skipped generation, the trait must be RECESSIVE. For dominant trait, having 1 dominant allele will give you affected phenotype. It can never give a skipped generation.

5 0
2 years ago
The absence of which of these will not affect photosynthesis is - oxygen, Carbon dioxide, water, Chlorophyll, light. Give reason
In-s [12.5K]

Answer:

Oxygen

Explanation:

Oxygen is the by product of photolysis during photosynthesis whereby water molecules are split to form protons (H+ ions), electrons and oxygen (by product).

Oxygen is not needed during any of the reactions in photosynthesis and Calvin cycle and will not affect the rate of photosynthesis or possibility of photosynthesis occurring. However, it will affect the process of aerobic respiration instead.

Carbon dioxide is needed in carbon fixation during the Calvin cycle. Without it, 6 carbon sugars cannot be formed.

Water is needed for photolysis to produce protons (maintain the electrochemical gradient) and electrons (to replenish lost electrons)

Chlorophyll are pigments that harvest light energy to excite electrons produced from photolysis of water to be passed down the electron transport chain.

Light is needed as a source of energy to energise the electrons

5 0
3 years ago
I will give 50 points!! PLEASE ANSWER: <br> List and briefly describe 8 major terrestrial biomes.
lilavasa [31]

Forest: A large area covered in trees.

Taiga: A snow forest.

Tundra: A flat area with no trees.

Desert: A large, dry area covered in sand

Savanna: A grassy plain in tropical and subtropical regions with very few trees.

Grassland: A large open area covered in grass.

Chaparral: A land with vegetation that consists of shrubs and bushes with thorns.

Mixed Forest: A forest with two or more kinds of different trees.

Hope this helps!

4 0
3 years ago
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