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givi [52]
3 years ago
7

6.

Biology
1 answer:
ELEN [110]3 years ago
8 0

Answer:

b) 1&2 ....

Explanation:

hope it helps

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Isaisip
sdas [7]

Answer:

Please upload in English

7 0
2 years ago
Scientist are studying an 500g. Sample of a radioactive element. Which has an annual decay rate of 11%. How many grams of the sa
gtnhenbr [62]

Nothing

Explanation:

Mass of the sample = 500g

Decay rate per anum = 11%

Unknown:

Mass of sample remaining after 10yrs = ?

Solution:

  This is a simple percentages problem;

The radioactive sample loses \frac{11}{100 } x 500g of sample per year;

  this is a loss of 55g per year;

In 10years time, the sample would have lost 10 x 55g = 550g of element.

Since our sample is not up to 550g, then no amount of sample will remain after 10yrs.

learn more:

Radioactive decay brainly.com/question/10094982

#learnwithBrainly

6 0
3 years ago
Choose the true statement
inn [45]

There are no options

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3 years ago
Most bacteria do not have the ability to break down oil that
mote1985 [20]

DNA replication

DNA replication is the process by which DNA makes a copy of itself during cell division. The first step in DNA replication is to 'unzip' the double helix structure of the DNA? molecule. ... The two separated strands will act as templates for making the new strands of DNA

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3 years ago
How is a country’s economy affected by uneven distribution of resources
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Such unequal distribution of resources was commonly related to land for agriculture, necessary for population growth.
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