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nadezda [96]
3 years ago
9

What part of radioactive element is unstable?

Biology
1 answer:
Sedaia [141]3 years ago
5 0

Answer: B. <em>The nucleus</em>

Explanation:

"Their nuclei are unstable, so they break down, or decay, and emit radiation."

{please give me brainliest :)}

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Explanation:

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An environmental factor such as storms and extreme heat or cold that affects
Liono4ka [1.6K]

Answer:

density-independent factor

Explanation:

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hope this helped!!!! have a great day!

8 0
3 years ago
In a cross between two strains that are true breeding for purple and white flowers, the F2 phenotypic ratio would be ¼ purple, ¼
IgorC [24]

Answer:

The answer is true.

Explanation:

True breeding for purple and white means that they are homozygous for that phenotype, for example AA is genotype for purple, while aa is genotype for white. Aa is heterozygous and it represents incomplete dominance phenotype. If we cross true breeding for purple and white:

P: AA x  aa

F1: Aa Aa Aa Aa (all of them are with incomplete dominance color)

F2 (Aa x Aa):  AA Aa Aa aa (1/4  1/2  1/4)

3 0
3 years ago
The table below shows the depths at which an index fossil and three other fossils were found.
disa [49]

Answer:

Fossil B is the same age as the index fossil.

Explanation:

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6 0
3 years ago
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A car with a mass of 800 kg is moving forward<br> at a speed of 15 m/s. What is its kinetic energy?
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Answer:

KE = 90000 J

Explanation:

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