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Aleks [24]
3 years ago
14

Hello, can someone please help me with this science question I have? because my class starts in 5 mins and I didn't finish it an

d no one else is answering my last question. Thanks! BTW the subject is science.

Chemistry
1 answer:
Andrei [34K]3 years ago
7 0

Answer:

Yes they can

Explanation:

But they need pretestino fromadverse temperatures and they need nutrients and also oxygen around the roots

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Why is potassium nitrate classified as an electrolyte?.
ch4aika [34]

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5 0
2 years ago
The radioisotope phosphorus-32 is used in tracers for measuring phosphorus uptake by plants. The half-life of phosphorus-32 is 1
Harman [31]

Answer:

54 days

Explanation:

We have to use the formula;

0.693/t1/2 =2.303/t log Ao/A

Where;

t1/2= half-life of phosphorus-32= 14.3 days

t= time taken for the activity to fall to 7.34% of its original value

Ao=initial activity of phosphorus-32

A= activity of phosphorus-32 after a time t

Note that;

A=0.0734Ao (the activity of the sample decreased to 7.34% of the activity of the original sample)

Substituting values;

0.693/14.3 = 2.303/t log Ao/0.0734Ao

0.693/14.3 = 2.303/t log 1/0.0734

0.693/14.3 = 2.6/t

0.048=2.6/t

t= 2.6/0.048

t= 54 days

3 0
3 years ago
What type of mirror should be used for this application? Explain why this mirror is the right choice for a telescope.
Artyom0805 [142]

Answer:

use a concaved miror

Explanation:

better and more clear

7 0
2 years ago
AFTER the digestive system process food, the energy stored in cells as ______________ .
galben [10]
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6 0
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What is the main benefit of this model?
igor_vitrenko [27]

Answer:

letter D.

Explanation:

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4 0
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