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Troyanec [42]
3 years ago
11

What is an advantage and disadvantage of using 4.5-7.5 pH paper?

Biology
1 answer:
Butoxors [25]3 years ago
7 0

Answer:

The correct answer would be:

Advantage: helps in finding the exact ph value with a narrower range.

Disadvantage: You don't know the exact ph value on a regular scale.

Explanation:

The pH paper is a pH paper with a color indicator that helps in determining the pH value precisely between the 4.5 to 7.5 pH range. It is accurate in comparison to other pH papers such as 0-14 paper. One no need to guess the color between the different colors from various color mixtures as it has a more precise color reading that helps in finding accurate pH value in a narrow range.

On a regular scale, it is not as accurate and one can not find the exact value as it provides a narrow range value between 4.5 to 7.5.

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antoniya [11.8K]
You’re answer is C. I hope this helps!
4 0
3 years ago
Step 11 of skeletal muscle contraction:__________.
malfutka [58]

Answer:

The suitable option will be - B

B) Phosphate and ADP form to make ATP which binds to the myosin head and causes cross-bridge to detach.

Explanation:

Until step 11, skeletal muscle has already done cross-bridge and power stroke. ADP is released just after the power stroke. After that phosphate and ADP form a new ATP which gets bound to the myosin head.  

Then at step 11, cross-bridge is released as a new ATP is bound to myosin head.  

So, we can say that option B is correct.

7 0
3 years ago
Animals will lick up ethylene glycol (antifreeze) due to its sweet taste. the antidote for ethylene glycol poisioning is the adm
maw [93]

Answer:

Fomepizole with ethanol

Explanation:

The antidote for ethylene glycol poisioning is the administration of fomepizole with ethanol.

Ethylene glycol (antifreeze) is a poisonous, colorless and sweet tasting liquid which is usually used for antifreeze formulations. Drinking or liking of ethylene glycol deliberately or unintentionally can result in ethylene glycol poisoning. The poisoning can be treated by stabilizing the affected animal, followed by the administration of the antidote; fomepizole with ethanol. This is the most preferred antidote. Hemodialysis, sodium bicarbonate and magnesium may also be used to treat the affected animal.

5 0
3 years ago
What was the main factor driving the migration of people?
vampirchik [111]
Multiple things cause the migration of people.

Economic issues arise:
People run out of jobs and opportunities
(BIGGEST REASON)

Cultural reasons:
Forced intentional migration had occurred in the past on accounts of slavery and political instability

Safety:
More popular reason now is because of war or fights with other countries, the people want to keep their family safe so they move them or move with them

Hope this helped
6 0
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QUESTION 2: Food webs and energy pyramids
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Answer:

Explanation:

A plants

B wolf

C Buck

3 0
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