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Viefleur [7K]
3 years ago
8

Which is abiotic? A.tree sap B.insect C.sunlight D.tree stump

Biology
2 answers:
stepan [7]3 years ago
3 0

Answer:

The answer is C. sunlight

Explanation:

BARSIC [14]3 years ago
3 0

Answer:

C // Sunlight.

Explanation:

Sunlight is the proper answer to this question, as it is a non-living, and has no live factors. So, Sunlight would be abiotic.

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3 years ago
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Considering the wavelengths of light shown below, the pigments in the granum absorb mainly in which range?
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Answer:

D. blue-violet and red-orange

Explanation:

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4 0
3 years ago
What is the age of a meteorite if potassium-40 decayed from 80 g to 10 g? The half-life of potassium-40 is 1.3 billion years. 1.
vekshin1

Answer:

3.9 billion years

Explanation:

The half-life of potassium-40 is the time it takes for half of it to decay.  

After one half-life, half of the original amount will remain.  

After a second half-life, half of that amount will remain, and so on.  

We can construct a table as follows:  

\begin{array}{cccc}\textbf{No. of} &\textbf{Fraction} &\textbf{Mass}\\ \textbf{Half-lives} & \textbf{Remaining} & \textbf{Remaining/g}\\0 & 1 &80\\\\1 & \dfrac{1}{2} &40\\\\2 & \dfrac{1}{4} & 20\\\\3 & \dfrac{1}{8} & 10\\\\4 & \dfrac{1}{16} & 5\\\\\end{array}

We see that the mass will drop to 10 g after three half-lives.

  1 half-life = 1.3 billion years

3 half-lives = 3.9 billion years

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From what i have read up on in the past, They can but they don't really think with a "voice" in their head if that makes sense.

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