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Alenkinab [10]
2 years ago
11

How can scientists determine the relative age of the fossil?

Biology
1 answer:
Strike441 [17]2 years ago
7 0

Answer:

Radiometric dating methods

Explanation:

Geologists usually use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon to find the age of fossils.

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Label the steps for protein synthesis in order, beginning with the first step
djyliett [7]

The steps for protein synthesis in order are:

1. Copy of one side of DNA strand is made (called mRNA, messenger RNA)

2. mRNA moves to cytoplasm, then ribosome.

3. mRNA goes through ribosome 3 bases at a time.

4. transfer RNA (tRNA) matches up with the open DNA bases.

5. tRNA releases the amino acid at the top, which joins the chain of amino acids being produced.

7 0
2 years ago
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A student set up an experiment to show the effect of light color on photosynthesis in Elodea plants. She filled three test tubes
VashaNatasha [74]

Answer:

<u><em>Tube A will turn red the fastest. </em></u>

Explanation:

  • Tube A will turn red fastest because Elodea plants will take up the white light and carry out photosynthesis.

  • In tube B, the red colour will not be generated fastly because plants do not use green light. Usually, the green light is just reflected by the plants and it is not absorbed.

  • In tube C, no photosynthesis will be able to occur because due to the wrapped aluminium foil the plants could not receive any light for photosynthesis.
6 0
3 years ago
Please help BRAINIEST :)))thank uuu
murzikaleks [220]

Answer:

the answer is d

Explanation:

5 0
3 years ago
The brain volumes ​(cm cubed​) of 20 brains have a mean of 1116.2 cm cubed and a standard deviation of 127.7 cm cubed. Use the g
Shkiper50 [21]

Answer:

Yes

Explanation:

Range rule of thumb predicts the Range to be  a multiple of 4 of the standard deviation or to be four times  the standard deviation. Making the usual values equal to 2 standard deviations distanct of the mean of the data distribution.

In a given distribution with mean and standard deviation that is obtained, the usual values in mean (as seen in the attached image).

2*standard deviation and mean + 2*standard deviation.

If the data point is not up to the mean

- 2* standard deviation is taken to be significantly low.

If the data point is more than the mean

+ 2*standard deviation is taken to be significantly high.

Let's take the xbar to be the mean and s as standard deviaiton

Given,

mean, xbar = 1116.2

standard deviation, s =127.7

The range rule of thumb shows that the usual values are within 2 standard deviations from the mean

Lower boundary

      = xbar - 2s

       = 1116.2 - 2(127.7)

       = 860.8

Upper boundary

      = xbar + 2s

       = 1116.2 + 2(127.7)

       = 1371.6

We should note that 1411.6 is not between 860.8 and 1371.6, which connotes that 1411.6cm^3 is unusually high.

3 0
2 years ago
Plz plz help asap
saul85 [17]
D is the correct answer
8 0
3 years ago
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