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kondor19780726 [428]
3 years ago
13

If Earth was like a hardboiled egg, which part of Earth would the egg white represent?

Biology
2 answers:
xz_007 [3.2K]3 years ago
8 0
The answer is A
no its really just A like the first answer
man its hard to explain stuff 
 
soldi70 [24.7K]3 years ago
4 0

Answer:

Option (A)

Explanation:

A boiled egg can be used as a model in order to understand the interior of the earth. The hard outer shell can be considered as the crust. The white portion is considered as the mantle and the yellow portion (yolk) represents the core of the earth.

The mantle is the middle layer of the earth that extends up to a depth of about 2900 kilometre. This layer is important because the convection currents are formed here due to the heat energy supplied from the interior of the earth. This convection current is responsible for plate motion.

Thus, the correct answer is option (A).

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Answer:

In the experiment conducted by Alisha to test the effect of different materials on the melting rate of ice, the dependent variable is the mass of the ice, and the independent variable is the type of cover material.

Explanation:

During an investigation or experiment, the dependent variable is the one whose changes will be studied, while the independent variable is able to influence the changes of the dependent variable.

In the case where it is wanted to <u>measure how different cover materials affect the rate of ice melting</u>, the dependent variable is the mass of ice and the independent variable is the coverage material, capable of affecting the time it takes for the ice to melt.

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3 years ago
Fossil fuels are made by the decay of living things. Because living things are always dying and decaying, why are fossil fuels n
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3 years ago
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An element has a half-life of 30 years. If 20 mg of this element decays over a period of 90 years, how many mg of this element w
Vlada [557]

Answer:

2.5 mg

Explanation:

<em>The half-life of a substance is the time required for one half of the substance to decay. In order words, it is the time it will take for a substance to decay into  half of its initial size.</em>

For a 20 mg element with a half-life of 30 which decays over a period of 90 years;

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Explanation:

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this statement is true.

good luck!! :)

help me by marking as brainliest!!
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