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earnstyle [38]
2 years ago
10

A teacher cut an apple into three wedges of the same size. She dipped one wedge in lemon juice, dipped another in water, and lef

t one alone. Then she left the wedges on a paper towel on her desk. After 1 hour, only the wedge that had been dipped in lemon juice was still yellow. The other two wedges had turned brown. What is the responding variable in this experiment? O A. The color of the apple wedges after 1 hour B. The size of the apple wedges C. The lemon juice applied to one of the apple wedges D. The liquid the apple wedges were dipped in​
Biology
2 answers:
grin007 [14]2 years ago
3 0

Answer:

Its A

Explanation:

Had to guess on apex The answers is A. The color of the apple wedges after 1 hour

MAVERICK [17]2 years ago
3 0

Answer It would be a

Explanation: Because im in Odessy in 8th grade and got a 100 on my test. LOL

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Chromosomal mutations usually Occur during?​
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Explanation:

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7 0
2 years ago
Read 2 more answers
A geologist is studying two different rhyolite flows to determine if they were erupted at the same time.
ss7ja [257]
Q1. The answer is 1.

It can be calculated using the equation:

 (1/2)ⁿ = x

x - decimal amount remaining, 

n - a number of half-lives.


x = 50% = 50/100 = 0.5

n = ?

(1/2)ⁿ = 0.5

log((1/2)ⁿ) = log(0.5)

n * log(1/2) = log(0.5)

n * log(0.5) = log(0.5)

n = log(0.5)/log(0.5)

n = 1


Q10. The answer is 2.


It can be calculated using the equation:

 (1/2)ⁿ = x

x - decimal amount remaining, 

n - a number of half-lives.


Rhyolite #2 has 25% of the parent H remaining:

x = 25% = 25/100 = 0.25

n = ?

(1/2)ⁿ = 0.25

log((1/2)ⁿ) = log(0.25)

n * log(1/2) = log(0.25)

n * log(0.5) = log(0.25)

n = log(0.25)/log(0.5)

n = -0.602 / - 0.301

n = 2



Q3. The answer is 100 million years.


A number of half-lives (n) is a quotient of total time elapsed (t) and length of half-life (H):

n = t/H

n = 1

t = ?

H = 100 000 000 years


n = t/H

t = n * H

t = 1 * 100 000 000 years

t = 100 000 000 years<span>

</span>

4 0
3 years ago
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