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aev [14]
2 years ago
6

How are scientists able to determine the composition and size of earth slayers

Biology
2 answers:
Vsevolod [243]2 years ago
7 0

Answer:

Scientists use waves to study the different layers of the earth. Usually, they use seismic waves, which are waves generated by earthquakes or nuclear-test explosions. … So, scientists study the path and speed of these waves through the earth to decipher boundaries and the materials that make up the layers

Explanation:

EastWind [94]2 years ago
5 0

Answer: Scientists use waves to study the different layers of the earth. Usually, they use seismic waves, which are waves generated by earthquakes or nuclear-test explosions.

Explanation:

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Consumption of electricity, transportation, and deforestation
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Finding variables in the following Students measured the temperature of the water at different depths in Lake Skywalker and foun
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The independent variable is the one that causes an effect on the dependent variable. In this case, the independent variable is <u>depth.</u> Different depths lead to a variation in temperature. 2)<em> depths</em>.

<h3>What are de dependent and independent variables?</h3>

  • Independent variables are those modified or changed by the researcher to study how this change affects another variable and hence the results.

This variable is not affected by any other one but influences or causes a reaction in other variables.

  • The dependent variable is the one influenced by the independent variable, and is affected by any change on this last one.

Its response might be either directly proportional or inversely proportional to the change in the independent variable.

Now let us answer the question.

The aim of the study was probably to analyze how temperature changed with depth.

So, according to this, depth influenced on the temperatureof water.

  • The independent influencing variable is <u>depth</u>.
  • The <u>dependent affected variable</u> is water temperature.

The correct option is 2. depths.

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Students measured the temperature of the water at different depths in Lake Skywalker and found that the temperature varied. Which is the independent variable?

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A porcupine has an internal skeleton and a rose has a stem. Write a sentence to explain how these physical structures have diffe
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The Internal skeleton of the porcupine gives shape and structure to the porcupine.

The stem of the rose plant provides support to the plant and serves to transport nutrient and water in the plant.

<h3>What a skeleton?</h3>

A skeleton is a rigid structure found in living organisms which provide structure and shape to the living organism.

Skeletons are found in animals.

Skeletons present in animals are of two types:

  • Internal skeletons also known as endoskeletons
  • external skeletons also known as endoskeletons

The Internal skeleton of the porcupine gives shape and structure to the porcupine. It also serves as a point of attachment to muscles in order to enable movement.

Stems are present in plants.

Stems serve various purposes in plants such as:

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  • storage of food and water
  • provides support and structure to the plant.

Thus, the stem of the rose plant provides support to the plant and serves to transport nutrient and water in the plant.

In conclusion, the internal skeleton of animals and the stem of plants both provide shape and structure to the respective organisms.

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