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Mariana [72]
2 years ago
5

What did the discovery of radioactivity do to change the geological time scale?

Biology
2 answers:
Gemiola [76]2 years ago
5 0

yes Answer:

Explanation:

bc yes

lesya692 [45]2 years ago
5 0
The discovery of radioactivity in the late 1800s changed that. Scientists could determine the exact age of some rocks in years. They assigned dates to the time scale divisions. For example, the Jurassic began about 200 million years ago.
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imagine a model of a cell shaped like a cube.Calculate the ratio of surface area to volume for a cell model measures 3 cm on eac
Svet_ta [14]
Smaller cube (1 cm X 1 cm X 1 cm) 

<span>The surface area of one side = 1 cm X 1 cm = 1 <span>cm2</span></span>

 

<span>There are 6 sides, total SA = 6 X 1 <span>cm2</span> = 6 <span>cm2</span></span>

 

<span>Volume = 1 cm X 1 cm X 1 cm = 1 cubic cm (1 <span>cm3</span>)</span>

<span>Surface to Volume Ratio = 6 <span>cm2</span>/1 <span>cm3</span> = 6 <span>cm2/cm3</span></span>


Larger cube (6 cm X 6 cm X 6 cm) 

<span>The surface area of one side = 6 cm X 6 cm = 36 <span>cm2</span></span>

 

<span>There are 6 sides, the total SA = 6 X 36 <span>cm2</span> = 216 <span>cm2</span></span>

 

<span>Volume = 6 cm X 6 cm X 6 cm = 216 <span>cm3</span></span>

 

<span>Surface to Volume Ratio = 216 <span>cm2</span>/216 <span>cm3</span> = 1 <span>cm2/cm3</span></span>

<span> </span>


8 0
3 years ago
Need help, will mark brainliest! plsss.
yaroslaw [1]

Hello, I Am BrotherEye

Answer: Physiological mechanisms explain any health-related events or outcomes. Physiological mechanisms can be altered voluntarily. For example, exercise causes alteration in the cardiac physiology of resting state. ... Multiple physiological mechanisms are responsible for survival of an individual.

Explanation:

It Is Simple Find The Answer Choice That Is The Opposite Of The One Above

3 0
2 years ago
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The enlightenment thinker that believed that people had a right to liberty was a man known as Voltaire. TRUE or False
stellarik [79]

Answer:

false

Explanation:

Voltaire was for rights of religion

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2 years ago
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What would be the complementary strand for the following DNA
Marizza181 [45]

Answer:

The complementary strand would be GTACTATG.

Explanation:

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5 0
3 years ago
What information on a pedigree can tell you whether a gene is a autosome or a sex chromosome ???
My name is Ann [436]

Answer:

What information on a pedigree can tell you whether a gene is on a autosome or not a sex chromosome? If in a pedigree, the occurrence of the disorder is 50/50 between females and males, then it shows that it is autosomal. If the disorder is mostly shown in males then it is a sex-linked trait.

Explanation:

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3 years ago
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